Ortha nan Gaidheal; Carmina Gadelica in English and Gaelic, Collected by Alexander Carmichael 6 hardback volumes, ISBN: 0863155774

The Excellence of Ancient Word (Druid Rhetorics from Ancient Irish Tales), by Sean o Tuathail

A Handbook of the Scottish Gaelic World, by Michael Newton

A Catalogue of Irish Iron Age Antiquities, by Prof. Barry Raftery, 1983 Marburg University Press

The Sutton Hoo sceptre and the roots of Celtic kingship theory, by Michael Enright

Death, War, and Sacrifice, by Lincoln, Bruce

"A Single Ray of the Sun: Religious Speculation in Early Ireland", by John Carey

Gods And Myths Of Northern Europe, by H.R.E. Davidson

A Social History of Ancient Ireland: Manners, Customs, and Domestic Life of the Ancient Irish, by Joyce, P.W from Irish Genealogical Foundation. ISBN 0940134241.

Early Irish History and Mythology, by O'Rahilly

The rites of Brigid: Goddess and Saint, by � Duinn, S., columba press, 2004, ISBN 1 85607 483 8

The Making of a Druid, by Guyonvarc'h

A Guide to Ogam, by Damian McManus

Dangerous Religion: Environmental Spirituality and its Activist Dimension, available from Dubsar House http://www.dubsarhouse.com ISBN: 1-59405-511-4

Celtic Culture: A Historical Encyclopedia, by John Koch

West Irish Folk-tales, by Larminie

The Wisdom of the Outlaw : The Boyhood Deeds of Finn in Gaelic Narrative Tradition, by Nagy, Joseph Falaky from University of California Press,Berkeley 1985

The Secret Commonwealth and the Fairy Belief Complex, by Brian Walsh, 2002 Hardcover ISBN: 140105546X; Softcover ISBN: 1401055451.

Reading the Irish Landscape, by Mitchell and Ryan

The Silver Bough, by F. Marian McNeill (Cannongate, Edinburgh 1989)

Dictionary of the Irish Language, by Quin, E. G. (ed.) Royal Irish Academy

The Stations of the Sun: History of the Ritual Year in Britain, by Ronald Hutton (Oxford University Press, 1996)

Ancient Laws of Ireland, by W. Neilson Hancock, Thaddeua O'Mahony, Alexander Richey, and Robert Atkinson eds,(Dublin, 1865-1901)

Irish Family Names, Arms, Origins, Locations, http://celticstudies.com/

Grammar of Old Irish, by Thurneysen, Rudolf Binchy, D.A./Bergin O. (Trs.) Dublin Institute for Advanced Studies

The Prehsitoric Archaeology of Ireland, by John Waddel, ISBN 1 901421 10 4

Annals of the Four Masters (any translation)

the Senchus Mor (any translation)

Early Irish Verse, by Ruth Lehman (University of Texas Press, 1982)

Selections from Ancient Irish Poetry,Kuna Meyer (Ams Press 1911)

The Tain, trans. by Liam MacUistin (Dufour Editions, 1990)

The Celtic World, by Miranda Green (Routledge, 1996) Paperback

Passing the Time in Ballymenone, by Henry Glassie

World of the Druids, by Miranda Green (Thames and Hudson, 1997)

Hibernica Miscellanea, by Kuno Meyers

Hibernica Minora, by Kuno Meyers

A guide to Irish mythology, by Daragh Smyth -- Dublin: Irish Academic Press, 1998. ISBN 0716526123

Old Irish Workbook, by E.G. Quin

Traces of the Elder Faiths of Ireland : A Folklore Sketch : A Handbook of Irish Pre-Christian Traditions, by W. G. Wood-Martin (Longmans, Green & Co, London 1902) 2 vols

The New Comparative Mythology : An Anthropological Assessment of the Theories of Georges Dum�zil, 3ed, by C. Scott Littleton (University of California Press, Berkeley 1982)

The Irish Comic Tradition, by Vivian Mercier, Oxford University Press, Oxford 1962 contains an excellent introduction to the traditional practice of satire

Early Irish Lyrics, by Gerard Murphy, Clarendon Press, Oxford 1956

Letters to a Young Poet, by Rainer Maria Rilke, trans. H.D. Herter Norton, W. W. Norton, NY 1993 letters concerning the life of a poet and the creation of poetry

Spellcraft, by Robin Skelton, McClelland and Stewart Ltd., Toronto 1978 an excellent guide to poetry as magic, possibly the only book on the subject -- this book has apparently been reprinted by a different publisher

Samhain and other poems in Irish Metres of the Eighth to the Sixteenth Centuries, by Robin Skelton, Salmon Poetry Press, Dublin 1994

Early Celtic Versecraft: origin, development, diffusion, by James Travis Cornell University Press, Ithaca 1973

The New Book of Forms: A Handbook of Poetics, by Lewis Turco, University Press of New England, Hanover 1986

Auraicept na n-�ces: The Scholar's Primer, by George Calder, John Grant, Edinburgh 1917

EARLY IRISH KINGSHIP AND SUCCESSION, by Bart Jaski, Ph.D. (www.gaelic-heritage.org) Dublin: Four Courts Press, 2000, ISBN: 185182488X

Ancient Laws of Ireland, by W. Neilson Hancock, Thaddeua O'Mahony, AlexanderRichey, and Robert Atkinson eds,(Dublin, 1865-1901).

"Adomn�n's Law of the Innocents" It can be ordered from: Blackfriars Books, 36 Queens Drive, Glasgow G42 8DD, Scotland

Tales of the Elders of Ireland, translation by Dooley and Roe, Oxford, 1999). It's a translation only (with introduction, pronunciation guide, maps, and notes), published as a paperback book in the Oxford World's Classics series, ISBN: 0-19-283918-7

Guide to Ogam, by Damien McManus

Ogam Stones and the Earliest Irish Christians, by Catherine Swift

Brehon Laws: a Legal Handbook, by Lawrence Ginnell, 1894, reprint 1993. ISBN 0 8377 2213 6.

Audacht Morainn, by Fergus Kelly,1976

Stellar Symbols - "Newgrange and other incised tumuli in Ireland", by George Coffey, Blandford Press, 1977 (1912)

Newgrange and the Bend of the Boyne, by Geraldine Stout, published by Cork University Press

Irish Wild Plants, Myths Legends and Folklore" by Niall Mac Coitir

Dark Speech: The Performance of Law in Early Ireland, by Robin Chapman Stacey

The Kingship and Landscape of Tara, ed. by Edel Bhreathnachh