Allen, Richard Hinckley
Star Names, Their Lore and Meanings, Dover Publications, New York, 1963, ISBN 0-486-21079-0.

Andrews, Ted
Sacred Sounds, Transformation through Music & Word, Llewellyn Pub St. Paul, MN, 1994.

Andrews, Ted
Animal- Speak, The Spiritual & Magical Powers of Creatures Great and Small, Llewellyn Publications, St. Paul, MN, 1994

Biederman, Hans
Dictionary of Symbolism, Cultural Icons & the Meanings Behind Them, A Meridian Book, New York, 1994

Bord, Janet and Colin
The Enchanted Land, Myths & Legends of Britain's Landscape, Thorsons, San Francisco, 1995

Brennan, Martin
The Stones of Time, Calendars, Sundials, and Stone Chambers of Ancient Ireland, Inner Traditions International, Rochester, Vermont, 1994

Briggs, Katharine
An Encyclopedia of Fairies, Pantheon Books, New York, 1976

Burl, Aubrey
A Guide to the Stone Circles of Britain, Ireland, and Brittany, Yale University Press, New Haven, 1995

Burnham, Robert
Burnham's Celestial Handbook, Elements Books, Rockport, Ma, 1989

Cahill, Thomas
How the Irish Saved Civilization, Double Day, New York, 1995

Cambrensis, Giraldus
The History and Topography of Ireland, translated by John O'Meara, Dolmen Texts, Mountrath, Ireland, 1982

Carmichael, Alexander
Carmina Gadelica, Lindesfarne Press, Hudson, New York, 1992
New Moon of the Seasons, Prayers from the Highlands and Islands, Lindesfarne Press, Hudson, New York, 1992

Carney, James
Medieval Irish Lyrics with The Irish Bardic Poet, The Dolmen Press, Mountrath Portlaoise, Ireland, 1985

Carr-Gomm, Philip and Stephanie
The Druid Animal Oracle, Fireside Books, New York, 1994
The Elements of the Druid Tradition, Elements Books, Rockport, MA, 1989.
The Druid Renaissance, Thorsons, San Francisco, 1996

Chase, Pamela Louise and Jonathan Pawlik
Trees for Healing, Harmonizing with Nature and Planetary Balance, Newcastle Publishing Co., North Hollywood, Ca, 1991.

Chetan, Anand and Diana Brueton
The Sacred Yew, Rediscovering the Ancient Tree of Life Through the Work of Allen Meredith, Arkana Books, New York, 1994.

Cross and Slover
Ancient Irish Tales, Barnes & Noble Books, New York, 1996

Cunliffe, Barry
The Celtic World, St. Martin's Press, New York, 1990

Dames, Michael
Mythic Ireland, Thames and Hudson Pub., London 1992
The Avebury Cycle, Thames and Hudson Pub., London 1996.

Daniélou, Alain
The Myths and Gods of India, Inner Traditions, Rochester, Vermont, 1991

Davidson, H. R. Ellis
Gods and Myths of Northern Europe, Penguin Books, New York, 1990.
Myths and Symbols in Pagan Europe, Early Scandinavian and Celtic Religions, Syracuse University Press, Syracuse, NY, 1988
Gods and Myths of the Viking Age, Barnes & Noble, New York, 1964

Dolmen, Stone
The Celtic Ogham (Tree) Runes, ( Self Published),1993.

Douglas, Ronald M.
The Scots Book, Including the Folklore, Clans, Recipes, Place Names, Proverbs and Prose, Bracken Books, London, 1995, ISBN 1-85891-203-2.

Dunnit, S.M.W.
Irish Lore and Legends, Barnes & Noble, Inc., New York, 1993, ISBN 1-56619-040-1.

Durning, William and Mary
A Guide to Irish Roots, Including Celts, Vikings, Normans, Kings, Queens and Commoners, Irish Family Names Society, La Mesa, CA, 1986.

Dwelly, Edward
The Illustrated Gaelic-English Dictionary, Gairm Publications, Glasgow, 1994.

Ellis, Peter Berresford
Celtic Inheritance, Dorset Press, New York, 1992.
A Dictionary of Celtic Mythology, Oxford University Press, NY 1992.
A Dictionary of Irish Mythology, Oxford University Press, NY, 1987
The Druids, William B. Eerdmans, Grand Rapids, Michigan, 1994, ISBN 0-8028-3798-0.

Evans-Wentz, W.Y.
The Fairy Faith in Celtic Countries, Citadel Press, New York, 1990.

Findlay, Ian
Columba, W.R. Chambers, Edinburgh, 1992, ISBN 0-550-22542-0.

Focloir Scoile
English - Irish, Irish - English Dictionary, Criterian Press Tta, Dublin, 1986.

Fontana, David
The Secret Language of Symbols, A Visual Key to Symbols and Their Meanings, Chronicle Books, San Francisco, 1994.

Frawley, David
The Astrology of the Seers, A Guide to Vedic (Hindu) Astrology, Passage Press, Salt Lake 1990
Wisdom of the Ancient Seers, Mantras of the Rig Veda, Passage Press, Salt Lake City, 1990
Ayurveda and the Mind, the Healing of Consciousness, Lotis Books, Twin Lakes, WI, 1997