Angels are purely spiritual beings organised into nine orders across three hierarchies, as described by Dionysius the Areopagite in the 5th century and developed by Rudolf Steiner in the 20th century. They serve as intermediaries between the divine and the human, each order having specific functions. The four most widely named archangels are Michael, Gabriel, Raphael, and Uriel. Sincere prayer and receptive attention are the traditional means of access.
Table of Contents
- What Are Angels? Definitions Across Traditions
- Dionysius the Areopagite and the Celestial Hierarchy
- The Three Triads: Nine Orders Explained
- The Four Archangels: Michael, Gabriel, Raphael, Uriel
- Rudolf Steiner on the Spiritual Hierarchies
- Sophy Burnham and Modern Angelic Experience
- Guardian Angels and Individual Protection
- Seraphim, Cherubim, and the Highest Orders
- Angel Numbers and Synchronicity
- How to Invoke Angelic Assistance
- Discernment: Testing the Spirits
- Practical Work with Angelic Presences
- Frequently Asked Questions
Key Takeaways
- Ancient Hierarchy: Dionysius the Areopagite's Celestial Hierarchy organised angels into nine orders across three triads, a framework adopted by Thomas Aquinas and still influential in Catholic and esoteric theology.
- Four Named Archangels: Michael (protection), Gabriel (communication), Raphael (healing), and Uriel (wisdom) appear across multiple Abrahamic traditions with consistent attributes.
- Steiner's Contribution: Rudolf Steiner situated the traditional angelic hierarchy within a developmental cosmology, describing specific archangels as guiding intelligences for historical epochs.
- Cross-Cultural Consistency: Sophy Burnham's research found that experiences of angelic presence are reported across religious backgrounds and cultures, suggesting a phenomenon that transcends any single theological framework.
- Practical Access: Sincere prayer, receptive attention, and careful discernment are the tools recommended across traditions for engaging with angelic guidance.
What Are Angels? Definitions Across Traditions
The word angel derives from the Greek angelos, itself a translation of the Hebrew mal'akh: messenger. In the Abrahamic traditions that have most systematically developed angelology, angels are understood as purely spiritual beings, neither human nor divine, who serve as intermediaries between the divine realm and the human world. They carry divine messages, execute divine will, protect individuals and communities, and participate in the governance of cosmic and natural order.
This basic definition encompasses enormous variety. The mal'akhim of the Hebrew Bible are sometimes indistinguishable from human visitors (the three who visit Abraham at Mamre in Genesis 18), sometimes overwhelming manifestations of divine presence that cause the human recipients to fall on their faces (the angel who appears to Joshua in Joshua 5:13-15), and sometimes vast cosmic intelligences governing entire nations (the "prince" of Persia who opposes Daniel's angelic helper for twenty-one days in Daniel 10).
The Christian New Testament adds another layer. Hebrews 1:14 defines angels as "ministering spirits sent to serve those who will inherit salvation," situating them as servants of the divine plan for human redemption. Revelation describes vast armies of angelic beings organised in cosmic warfare. Paul's letters reference "principalities and powers" as categories of spiritual beings, some of which appear to be fallen or corrupted forms of originally benevolent orders.
Islamic tradition holds that the mala'ika are created from light, are without free will (unlike humans and jinn), and serve only to fulfil divine commands. The four most prominent are Jibril (Gabriel, the revealer), Mikail (Michael, overseer of natural phenomena), Israfil (who will blow the trumpet at the Last Day), and Izrail (the angel of death). Islamic angelology also includes the hafaza, guardian angels assigned to each human, and the kiraman katibin, the two recording angels who note each person's deeds.
Angels in Other Traditions
The concept of intermediary spiritual beings serving divine purposes appears beyond the Abrahamic traditions. Zoroastrianism has the amesha spentas (bounteous immortals) and yazatas (beings worthy of worship) who serve Ahura Mazda. The Hindu devas are sometimes translated as angels in Western contexts, though their nature and cosmological role differ significantly. The fravashis of Zoroastrianism, spiritual protectors of individuals, parallel the concept of guardian angels with particular precision. The universal recurrence of similar spiritual beings across independent traditions is one reason scholars of religion and some scientists have taken the phenomenon seriously as a cross-cultural datum, whatever its ultimate explanation.
Dionysius the Areopagite and the Celestial Hierarchy
The most systematic and influential organisation of angelology in Western tradition comes from a text known as The Celestial Hierarchy, written by a figure identified as Dionysius the Areopagite. The text claims to be written by the Dionysius whom Paul converted in Athens (Acts 17:34), but modern scholars date it to approximately the 5th or early 6th century CE, making it the work of an unknown author now referred to as Pseudo-Dionysius.
The text has been enormously influential despite this uncertainty about its authorship. Thomas Aquinas cited Dionysius extensively in his treatment of angels in the Summa Theologica. John Scotus Eriugena translated it into Latin in the 9th century, making it available to the Western European theological tradition. Dante's cosmology in the Divine Comedy reflects the Dionysian hierarchy. And the text was taken up by Renaissance Neoplatonists including Marsilio Ficino and Pico della Mirandola as confirmation of a universal spiritual hierarchy consistent with Platonic thought.
Dionysius's central argument is that the divine communicates to the human through graded intermediaries, each level receiving illumination from above and passing it downward in a form appropriate to the capacity of the lower levels. The angels are not obstacles or competitors to direct divine relationship but the very means through which the divine becomes accessible to finite beings. The hierarchy is not a chain of command but a structure of participation in divine goodness.
Dionysius on the Purpose of Hierarchy
Dionysius wrote: "The goal of a hierarchy, then, is to enable beings to be as like as possible to God and to be at one with him." The hierarchy is not, in his framework, about subordination for its own sake but about the progressive illumination of beings toward divine likeness. Each order of angels is more completely permeated by divine light than the order below it, not because the lower orders are less valued, but because their function brings them into different proximity to different aspects of the divine. The lowest order, the angels in the technical sense, are those whose task is most directly concerned with human beings, which in the Dionysian framework makes them the most immediately relevant to us rather than the least important.
The Three Triads: Nine Orders Explained
Dionysius organised the nine orders of angels into three triads, each characterised by different modes of divine participation and cosmic function.
The First Triad: Seraphim, Cherubim, Thrones. These three orders are described as most immediately in the divine presence. The Seraphim (from the Hebrew saraph, to burn) are characterised by ceaseless, burning love directed toward the divine. They appear in Isaiah 6, surrounding the throne and crying "Holy, holy, holy." The Cherubim are characterised by the fullness of divine knowledge and wisdom, Dionysius derives their name from a root suggesting fullness of understanding. The Thrones are characterised by their stable receptivity to divine presence, their name suggesting both the throne on which God is seated and the stability that makes them able to receive and transmit divine activity without distortion.
The Second Triad: Dominions, Powers (Virtues), Authorities. The middle triad is characterised by governance: the ordering, sustaining, and regulating of cosmic and natural processes. The Dominions (or Lordships) set the purposes and patterns that the lower orders execute. The Powers (or Virtues) are the source of movement in the cosmos, governing the regularity of natural law, the movement of stars and seasons. The Authorities (Principalities in some translations) govern the social organisation of the human world, including nations and communities.
The Third Triad: Principalities, Archangels, Angels. The lowest triad is most directly concerned with human affairs. The Principalities (or Rulers) have responsibility for large communities, nations, and epochs. The Archangels are the messengers who carry divine communications of significance to humanity, explaining why the named archangels who deliver major divine communications in scripture (Gabriel announcing to Mary, Raphael accompanying Tobias) bear this title. The Angels, in the technical sense, are those beings most directly assigned to individuals, the guardian angels of each human soul.
| Triad | Order | Primary Quality | Sphere of Activity |
|---|---|---|---|
| First | Seraphim | Burning love | Direct divine presence |
| First | Cherubim | Divine knowledge | Transmission of wisdom |
| First | Thrones | Stable receptivity | Foundation of divine activity |
| Second | Dominions | Ordering purpose | Setting cosmic patterns |
| Second | Powers/Virtues | Movement and energy | Natural law and regularity |
| Second | Authorities | Governance | Nations and social order |
| Third | Principalities | Cultural guidance | Communities and epochs |
| Third | Archangels | Cosmic communication | Major divine messages to humanity |
| Third | Angels | Individual care | Guardian angels of persons |
The Four Archangels: Michael, Gabriel, Raphael, Uriel
While traditional theology describes countless angelic beings, four archangels are named across multiple traditions and have accumulated the most substantial bodies of theological interpretation and devotional practice.
Michael (Hebrew: who is like God?) appears in the Hebrew Bible as the angelic prince of Israel (Daniel 10:21, 12:1), in the New Testament as a figure in cosmic warfare against fallen angels (Jude 1:9, Revelation 12:7-9), and in the Quran as Mikail, associated with natural phenomena and mercy. Michael is consistently associated with protection, courage, spiritual combat, and the discernment of truth. In Rudolf Steiner's teaching, Michael occupies a particularly significant place as the archangel whose epoch, beginning in 1879, governs the present age of human evolution.
Gabriel (Hebrew: God is my strength) is the angelic messenger par excellence. He appears in Daniel (8:16, 9:21) explaining prophetic visions, in the New Testament announcing the births of John the Baptist (Luke 1:19) and Jesus (Luke 1:26), and in Islamic tradition as Jibril, the revealer who transmitted the Quran to the Prophet Muhammad. Gabriel is associated with communication, revelation, the annunciation of divine will, and the transition between the divine and human realms.
Raphael (Hebrew: God heals) appears most fully in the Book of Tobit (deuterocanonical), where he serves as a companion and protector to the young Tobias on a journey, healing Tobias's blind father and binding a demon. He reveals himself at the journey's end as "one of the seven angels who stand ready and enter before the glory of the Lord." Raphael is associated with healing, restoration, guidance for travellers, and the integration of difficult experiences.
Uriel (Hebrew: God is my light or fire of God) does not appear in the canonical Hebrew Bible or New Testament but features in deuterocanonical texts (2 Esdras) and in early Jewish and Christian extra-canonical literature, including 1 Enoch. He is associated with wisdom, illumination, the light of God, and in some traditions with oversight of the natural world and repentance. His name and role vary somewhat between traditions but consistently involve the idea of divine light making truth visible.
The Archangels as Cosmic Functions
Reading the four archangels as cosmic functions rather than only as individual beings reveals a coherent pattern. Michael represents the principle of discernment and protection of sacred order. Gabriel represents the principle of communication between levels of being, the transmission of higher truth into lower domains. Raphael represents the principle of healing and the restoration of wholeness wherever it has been disrupted. Uriel represents the principle of illumination: the light that makes truth visible. These four functions, protection, communication, healing, and illumination, cover the primary needs of the human soul in its relationship with the divine. Whether understood literally or symbolically, the fourfold archangelic schema maps the fundamental categories of spiritual assistance.
Rudolf Steiner on the Spiritual Hierarchies
Rudolf Steiner, the founder of Anthroposophy, engaged with the traditional angelology of Dionysius not as historical theology but as direct spiritual cognition. In his lecture cycle The Spiritual Hierarchies and the Physical World (1909) and in numerous other works including The Mission of the Archangels (1918), Steiner described the angelic hierarchies as real spiritual beings whose activities could be directly perceived through developed spiritual cognition.
Steiner's angelology differs from the traditional Dionysian framework in several significant ways. He situated the hierarchies within an evolutionary cosmology: the higher hierarchies had previously passed through stages of development analogous to what humanity is currently undergoing, and they work with humanity now in part out of what they learned from their own developmental history. The hierarchies are not static ranks but beings in ongoing relationship with human evolution.
Steiner was particularly concerned with what he called the Michael impulse. He described Michael as the archangel who rules the current historical epoch (beginning approximately 1879), and he characterised Michael's influence as directed toward supporting human freedom and the development of individual spiritual cognition. In earlier epochs, Steiner taught, spiritual guidance came through instinctual, inherited religious forms. The Michael epoch is characterised by the need for conscious, free spiritual development: finding the spiritual through one's own cognitive engagement rather than through external authority or inherited tradition.
Steiner's Meditation on Michael
Steiner offered specific meditations for developing a conscious relationship with Michael's impulse. One approach he described involves holding the image of Michael as the being who transforms fear into courage, particularly the courage to face spiritual realities without external props or inherited certainties. The practice is to call this image to mind during moments of spiritual doubt or fear, not as a magical intervention but as a reminder of the archetypal quality that Michael represents in the cosmos. The image of Michael standing between the dragon (materialism, fear, unconsciousness) and the human soul seeking spiritual freedom is the symbolic content of this meditation.
Sophy Burnham and Modern Angelic Experience
Sophy Burnham's A Book of Angels (1990) marked a turning point in the popular engagement with angelic experience in the modern West. Burnham, herself a reporter and writer rather than a theologian, took a phenomenological approach: she gathered accounts of angelic encounters from ordinary people across religious traditions and examined what they shared and where they differed.
The accounts she collected were remarkably consistent in structure despite the diversity of the people reporting them. Most described an unexpected experience during a moment of genuine danger or crisis: an inexplicable sense of peace or presence, an inner voice or knowing that provided specific practical guidance, a sense of being moved or assisted by something beyond ordinary human capacity. Many described this as an experience of profound love. Few described stereotypical winged figures. The experience was consistently felt as real in a way that distinguished it from imagination or wishful thinking.
Burnham's research contributed several important insights to modern angelology. First, that angelic experiences are reported across belief systems, including by people with no prior interest in the subject, suggesting the phenomenon is not simply a projection of belief. Second, that the experiences consistently produce long-term changes in the person: reduced fear of death, increased compassion, and a reorientation of priorities toward love and service. Third, that the experiences are poorly captured by either strict theological frameworks or by dismissal as hallucination, and that both approaches tend to distort what the experiencers actually report.
Guardian Angels and Individual Protection
The concept of a personal guardian angel, an angelic being specifically assigned to an individual human throughout their life, appears across multiple religious traditions. The Gospel of Matthew (18:10) records Jesus saying: "See that you do not look down on one of these little ones. For I tell you that their angels in heaven always see the face of my Father in heaven." This text is the primary scriptural basis for the Catholic belief in guardian angels, celebrated on their feast day of October 2.
The Talmud contains numerous references to mal'akhim who accompany individual Jews, particularly on the Sabbath. Islamic tradition describes the hafaza, guardian angels who accompany and protect each believer. In Zoroastrian tradition, the fravashi of each individual, their celestial archetype or guardian spirit, watches over them throughout life and can be invoked for protection.
Practically, the tradition of guardian angels serves as a framework for paying attention to inner guidance, unusual synchronicities, and the sense of being somehow protected or assisted in moments of genuine danger. Whether understood literally or symbolically, the guardian angel concept has supported many people through crisis by providing a frame of reference for experiences that do not fit ordinary causal explanations.
Connecting with Guardian Angel Guidance
- Find a quiet space and sit comfortably. Take several slow, deep breaths to settle the nervous system and quiet the analytical mind.
- Hold a clear, specific question or concern in your awareness, not in anxious rumination but as a clear request for guidance.
- Inwardly address the angel in whatever language feels sincere: a formal prayer, a simple request, or a silent acknowledgment of its presence.
- Spend 5-10 minutes in quiet receptive attention, without forcing any particular response. Notice any images, words, bodily sensations, or emotional shifts that arise.
- Write down whatever comes immediately after the session, without editing for plausibility. Review the notes later with discernment.
- Pay attention over the following days to anything that seems to respond to the question, including conversations, synchronicities, and unexpected opportunities.
Seraphim, Cherubim, and the Highest Orders
The highest orders of the Dionysian hierarchy are the least immediately accessible and the most described in terms of overwhelming intensity rather than comforting presence. The Seraphim of Isaiah's vision cry out with a voice that shakes the thresholds and fills the temple with smoke. The Cherubim of Ezekiel's vision are beings of extraordinary complexity: four faces, four wings, the appearance of burning coals, moving in all four directions at once without turning. The Thrones are described in various texts as vast, fiery wheels.
The common quality across these descriptions is that the highest orders are not domesticated spiritual beings that comfortably enter human experience. They represent levels of spiritual reality that are genuinely beyond ordinary human comprehension, and the biblical accounts of encounters with them consistently produce prostration, silence, or overwhelming awe rather than comfortable conversation.
This is consistent with Dionysius's theological point: the highest orders are most completely saturated with divine presence and therefore least translatable into human terms. The appropriate response to them is not intellectual analysis but what Dionysius calls apophatic approach: acknowledging what cannot be said rather than claiming comprehension.
Angel Numbers and Synchronicity
Angel numbers, the practice of interpreting repeated numerical sequences (111, 222, 333, 444, 1111) as communications from angelic beings, represent a modern popular development in the broader field of angelology. The practice does not have a formal origin in traditional theology but draws loosely on numerological traditions that assign symbolic meanings to numbers.
From a theological perspective, angel numbers sit at the intersection of two genuine phenomena: the human tendency to notice patterns (apophenia) and the genuine spiritual tradition of attending to synchronicity as potentially meaningful. Carl Jung's concept of synchronicity, meaningful coincidences that cannot be explained by ordinary causality, provides a psychological framework for understanding why repeated patterns in the environment might carry information relevant to a person's inner state, without requiring a literal angelic transmission mechanism.
Whether or not one accepts angel numbers as genuine angelic communications, the practice functions for many people as a mindfulness practice: it encourages attention to the present moment, reflection on current life questions, and an orientation of openness rather than closed materialism. Used with discernment rather than as a substitute for actual decision-making, it can serve as a useful contemplative tool.
How to Invoke Angelic Assistance
The invocation of angelic assistance is ancient practice across traditions. The method varies from formal liturgical prayer to simple sincere address, but several elements appear consistently.
Clarity of intention. What specific help is needed? Vague requests produce vague responses, or rather, vague requests do not create the focused receptivity that allows guidance to be recognised. A clear, specific request for help with a specific situation creates the conditions for specific response.
Sincerity. Across traditions, sincerity is the prerequisite. Formulaic invocation without genuine intention is described as ineffective. The spiritual world, in virtually every tradition that addresses it, is responsive to genuine inner states rather than to correct verbal forms.
Receptive attention. After the request, the traditional posture is patient, open attention rather than anxious waiting. Guidance most often comes not as a dramatic supernatural event but as a sudden clarity, an unexpected conversation, a physical sensation of peace, or a timing of events that seems too precise to be random.
Gratitude. Many practitioners close invocations with explicit gratitude, acknowledging the angelic presence and its assistance whether or not the specific requested outcome has yet appeared. Gratitude as a regular posture, rather than a conditional response to received benefits, is consistently described as opening greater receptivity to continued guidance.
Discernment: Testing the Spirits
The tradition of discernment, testing whether a spiritual experience is genuinely from a higher source rather than from imagination, ego projection, or more problematic forces, is as old as angelology itself. The First Letter of John instructs: "Do not believe every spirit, but test the spirits to see whether they are from God." Paul describes "the discernment of spirits" as a specific gift of the Holy Spirit.
The traditional criteria for discernment across traditions include several consistent markers. Genuine angelic communication consistently moves toward greater love, courage, ethical clarity, and service rather than toward self-aggrandisement, fear, dependency, or unusual power claims. It encourages human freedom and responsibility rather than creating dependency on the angelic source. It is consistent with the broad consensus of the tradition rather than offering private revelations that contradict established spiritual wisdom. And it produces peace, even when difficult truths are communicated, rather than anxiety or compulsion.
Practical Work with Angelic Presences
Beyond formal invocation, several practices support an ongoing conscious relationship with the angelic world.
Morning Angelic Attunement
- Upon waking, before engaging with any screen or external demand, take three slow breaths in silence.
- Briefly review the day ahead. Notice where you feel most uncertain or where the most important moments are likely to occur.
- Inwardly acknowledge the angelic presences associated with the day, whether your guardian angel, a specific archangel whose qualities are relevant, or simply "the angelic world" as a general orientation.
- Ask for the specific quality most needed: Michael's courage, Gabriel's clear communication, Raphael's healing presence, Uriel's illumination of a confusing situation.
- Spend two minutes in quiet receptivity before beginning the day.
Evening Review: Noticing Angelic Guidance
- At the end of the day, take five minutes to review the day's events in reverse order, from the most recent backward to the morning.
- Notice any moments that felt guided, protected, or illuminated in an unexpected way.
- Notice any impulses toward greater love, courage, or clarity that arose during the day and whether you followed them.
- Write a brief note about any apparent angelic guidance received. Over time, this practice builds awareness of how guidance actually operates in your specific life.
Angels and Human Freedom
The deepest insight that emerges from across the angelological traditions, from Dionysius through Aquinas to Steiner and the modern phenomenologists, is that angelic beings do not override human freedom. They guide, protect, illuminate, and support. But the choice of what to do with their guidance remains entirely with the human being. This is not a limitation of angelic power but a reflection of what human dignity requires. Genuine spiritual assistance honours the freedom it assists. The practice of working consciously with angelic presences is ultimately a practice of developing the inner capacities to recognise and act on guidance that has always been available, not of acquiring supernatural assistance that bypasses the normal conditions of human life.
A Book of Angels by Sophy Burnham
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Frequently Asked Questions
What are angels according to traditional theology?
According to traditional Christian theology, as systematised by Dionysius the Areopagite in The Celestial Hierarchy (ca. 5th century), angels are purely spiritual beings serving as intermediaries between the divine and human realm. They are organised into nine orders across three hierarchies, from the Seraphim surrounding the divine presence to the Angels (in the technical sense) most directly concerned with individual human protection and guidance.
What is the difference between angels and archangels?
In the traditional hierarchy described by Dionysius, archangels occupy the eighth order and serve as messengers between the lower angelic orders and humanity. Angels (in the technical sense) occupy the ninth and lowest order, most immediately concerned with individual human protection. In popular usage, archangel refers more broadly to the named angelic beings (Michael, Gabriel, Raphael, Uriel) who appear across multiple traditions.
Who are the four main archangels?
The four archangels named across Abrahamic traditions are Michael (protection, courage), Gabriel (communication, divine messages), Raphael (healing, restoration), and Uriel (wisdom, illumination). Michael and Gabriel appear in the Hebrew Bible, New Testament, and Quran. Raphael appears in the Book of Tobit. Uriel features in deuterocanonical and extra-canonical texts.
What did Rudolf Steiner teach about angels?
Rudolf Steiner, in The Spiritual Hierarchies and the Physical World (1909) and The Mission of the Archangels (1918), described angels as real spiritual beings whose activities could be directly perceived through developed spiritual cognition. He situated them within an evolutionary cosmology and described specific archangels, particularly Michael, as guiding intelligences for historical epochs.
What is Sophy Burnham's approach to angels?
Sophy Burnham, in A Book of Angels (1990), took a phenomenological approach, collecting firsthand accounts of angelic encounters from contemporary people across religious traditions. Her work demonstrated that experiences of angelic presence are reported across cultures and belief systems, producing consistent long-term changes in the experiencers including reduced fear of death and increased compassion.
How do I know if an angel is trying to communicate with me?
Reports across traditions and modern accounts describe several common forms: an unexpected sense of peace or presence during crisis, an inner voice providing specific guidance, a physical sensation of warmth or light, unusual coincidences with precise timing, and occasionally visual experiences. The traditional discernment criterion is that genuine angelic communication always moves toward greater love, wholeness, and ethical clarity rather than toward fear, dependency, or self-aggrandisement.
What is the Celestial Hierarchy of Dionysius?
Dionysius the Areopagite's Celestial Hierarchy organised angelic beings into nine orders across three triads: the first (Seraphim, Cherubim, Thrones) relates most directly to the divine; the second (Dominions, Powers, Authorities) governs cosmic order; and the third (Principalities, Archangels, Angels) works most directly with human communities and individuals. This scheme was adopted by Thomas Aquinas and became dominant in Western Christian theology.
Are angels the same across different religions?
The concept of angelic beings appears across Judaism, Christianity, Islam, and Zoroastrianism with significant similarities. The Hebrew mal'akh, Christian angeloi, and Islamic mala'ika all describe messenger beings serving as intermediaries between the divine and human. The specific hierarchical structures and named beings differ between traditions, but the fundamental function as divine messengers and protectors is remarkably consistent.
Can anyone communicate with guardian angels?
Across traditions, sincere prayer, invocation, and receptive attention are held to be open to anyone regardless of formal religious training. Sophy Burnham found in her research that people from all religious backgrounds reported experiences of angelic guidance. The traditional posture is sincere request, genuine openness, and patient attention rather than demand or expectation of specific response.
What is Rudolf Steiner's Michael epoch teaching?
Steiner described the current historical period, beginning approximately 1879, as the Michael epoch: a time when the archangel Michael has particular spiritual authority in relation to human evolution. In this epoch, Michael works to support human freedom and the development of individual spiritual cognition, supporting conscious, free spiritual development rather than inherited religious form.
Sources and References
- Pseudo-Dionysius the Areopagite. The Celestial Hierarchy. Trans. Colm Luibheid. Paulist Press, 1987.
- Burnham, S. (1990). A Book of Angels. Ballantine Books.
- Steiner, R. (1909). The Spiritual Hierarchies and the Physical World: Reality and Illusion. Anthroposophic Press.
- Steiner, R. (1918). The Mission of the Archangels. Anthroposophic Press.
- Aquinas, T. Summa Theologica, Part I, Questions 50-64 (On Angels). Benziger Brothers, 1947.
- Davidson, G. (1967). A Dictionary of Angels. Free Press.
- Guiley, R.E. (1996). Encyclopedia of Angels. Facts on File.
- Adler, M. (1982). The Angels and Us. Macmillan.