This bibliography covers general Celtic Studies. There are so many books that could be on this list that aren’t so it is by no means definitive. I will keep updating it whenever I have the opportunity.
- Almqvist, Bo, Seamas Ó Cathain, and Padraig Ó Healaí, eds, The Heroic Process: Form, Function and Fantasy in Folk Epic. Dublin: The Glendale Press, 1987.
- Ashe, Geoffrey, Mythology of the British Isles. London: Methuen, 1990.
- Cambridge Medieval Celtic Studies, 1981
- Celtica [Dublin], 1946-1960.
- Chadwick, Hector Munra and Nora Kershaw Chadwick, The Growth of Literature, 3 vols. Cambridge: Cambridge University Press; New York: Macmillan, 1932-1940.
- Chadwick, Nora, Celtic Britain. London: Thames and Hudson, 1963.
- Chadwick, Nora, The Celts. Harmondsworth: Penguin, 1970.
- Chapman, Malcolm, The Celts. The Construction of a Myth. London: Macmillan; New York: St. Martin’s, 1992.
- Charles-Edwards, T. M., Early Irish and Welsh Kinship. Oxford: Clarendon Press; New York:
- Cunliffe, Barry, The Celtic World. New York: McGraw-Hill, 1979.
- Davidson, H. R. Ellis, Myth and Symbols in Pagan Europe: Early Scandinavian and Celtic Religions. Syracuse: Syracuse University Press, 1988.
- Dillon, Myles and Nora Chadwick, Celtic Realms. London: Weidenfeld and Nicholson; New York: New American Library, 1967; rep. London: Cardinal, 1973.
- Dixon-Kennedy, Mike, Celtic Myth and Legend: An A-Z of People and Places. London: Blandford, 1996.
- Doan, James E, Women and Goddesses in Early Celtic History, Myth and Legend. Working Papers in Irish Studies, 87-4/5. Boston: Northeastern University, 1987.
- Ellis, Peter Berresford, Dictionary of Celtic Mythology. London: Constable, 1992.
- Eluere, Christine, The Celts: First Masters of Europe. London: Thames & Hudson, 1993.
- Etudes celtiques [Paris], 1936-.
- Gazetteer of the British Isles. Edinburgh: Bartholomew, 1972.
- Gimbutas, Marija, The Goddesses and Gods of Old Europe, 6500 3500 B. C.: Myths and Cult Images. Berkeley and Los Angles: University of California Press, 1974.
- Green, Miranda J, Celtic Goddesses: Warriors, Virgins and Mothers. London: British Museum, 1996.
- Green, Miranda J. ed, The Celtic World. London, New York: Routledge, 1995.
- Green, Miranda J, Celtic Myths. London: British Museum, 1993.
- Green, Miranda J., ed, The Celtic World. London: Routledge, 1995
- Green, Miranda J, Dictionary of Celtic Myth and Legend. London: Thames and Hudson, 1992.
- Green, Miranda J, The Gods of the Celts. Gloucester: Alan Sutton; Totowa, N.J.: Barnes and Noble, 1986.
- Green, Miranda J, Symbol and Image in Celtic Religious Art. London and New York: Routledge Chapman and Hall, 1989.
- Green, Miranda J, Sun Gods of Ancient Europe. London: B. T. Batsford, 1991.
- van Hamel, Anton G. ‘Aspects of Celtic Mythology’, in Proceedings of the British Academy, 20 (1934), 207-248.
- Dusseldorf and Vienna: Econ Verlag, 1975; The Celts: The People Who Came Out of the Darkness. London: Weidenfeld and Nicholson; New York: St. Martin’s Press, 1975.
- Hubert, Henri, The Greatness and Decline of the Celts, tr; M. R. Dobie. New York: Knopf, 1934; rep., London: Constable, 1987.
- Hubert, Henri, The Rise of the Celts, tr. M. R. Dobie. New York: Knopf, 1934; rep., New York: Dorset, 1988.
- Jacobs, Joseph, Celtic Folk and Fairy Tales. London: David Nutt, 1892.
- Jacobs, Joseph, More Celtic Folk and Fairy Tales. New York: G. P. Putnam’s, 1895.
- Jacobsthal, Paul, Early Celtic Art. London: Oxford University Press, 1944.
- Journal of Celtic Studies [Baltimore], 1949- 1958.
- James, Simon, Exploring the World of the Celts. London: Thames & Hudson, 1993.
- Kirk, Robert, The Secret Commonwealth of Elves, Fauns, and Fairies. Published 1961; rep. Stirling: Mackay, 1933; London: Folklore Society, 1976.
- Krappe, Alexander Haggerty, Balor with the Evil Eye; Studies in Celtic and French Literature. New York: Institut des Etudes Francaises, Columbia University, 1927.
- Kruta, Venceslas, Otto-Herman Frey, Miklos Szabo, and Barry Raftery, The Celts. London: Thames and Hudson; New York: Rizzoli, 1991.
- Laing, Lloyd and Jennifer Laing, Celtic Britain and Ireland: The Myth of the Dark Ages. Dublin: Irish Academic Press, 1990.
- Leach, Maria, ed, Standard Dictionary of Folklore, Mythology, and Legend. New York: Funk and Wagnalls, 1950.
- Lindsay, Jack, Our Celtic Heritage. London: Weidenfeld and Nicholson, 1962.
- Lochlann. A Review of Celtic Studies [Oslo], 1958
- Lonigan, Paul R, The Druids: Priests of the Ancient Celts. Westport, CT: Greenwood Press, 1996.
- Low, Mary, Celtic Christianity and Nature: The Early Irish and Hebridean Traditions. Belfast; Blackstaff Press, 1996.
- MacBain, Alexander, Celtic Mythology and Religion. New York: Dutton, 1917.
- MacCana, Proinsias, Celtic Mythology. London: Hamlyn, 1970.
- MacCana, Proinsias. ‘Conservation, Innovation in Early Celtic Literature’, in Études celtiques, 13 (1972), 61-119.
- MacCulloch, John A, Celtic. The Mythology of All Races, vol. 3, pp. 1-213. Ed. Louis H. Gray. Boston: Marshall Jones, 1918; rep., New York: Cooper Square, 1964.
- Markale, Jean, Celtic Civilization. London and New York: Gordon and Cremonesi, c. 1978.
- Markale, Jean, Women of the Celts, tr. A. Mygind, P. Hauch, and P. Henry. London: Gordon Cremonesi, 1975.
- Matonis, Ann T, and Daniel F. Melia, eds, Celtic Language, Celtic Culture: A Bestschrift for Eric P. Hamp. Van Nuys, CA: Ford and Baillie, 1990.
- Moscati, Sabatino et al., eds, The Celts. London: Thames & Hudson, 1992.
- Norton-Taylor, Duncan, The Celts. Time-Life Emergence of Man Series. Amsterdam: Time-Life Books, 1975.
- Ó Corrain, Donnchadh, Liam Breatnach and Kim McCone, eds, Sages, Saints and Storytellers: Celtic Studies in Honour of Professor James Carney. Maynooth: An Sagart, 1989.
- O’Driscoll, Robert, ed, The Celtic Consciousness. Toronto: McClelland and Stewart; New York: Braziller, 1981.
- Ogam; tradition Celtique [Rennes], 1948- .
- Olmsted, Garrett S, The Gods of the Celts and the Indo-Europeans. Innsbruck: Verlag des instituts fur Sprachwissenshcaft die Universitat Innsbruck, 1994 (new edition free online).
- O’Rahilly, Cecile, Ireland and Wales, Their Historical and Literary Relations. London: Longman’s, Green, 1924.
- Powell, T. G. E, The Celts. London: Thames and Hudson; New York: Praeger, 1958.
- Price, Glanville, ed, The Celtic Connection. Gerrards Cross: Colin Smythe, 1991.
- Raftery, Joseph, ed, The Celts. Cork: Mercier, 1967.
- Rees, Alwyn and Brinley Rees, Celtic Heritage. London: Thames, 1961.
- Revue Celtique [Paris], 1870-1934.
- Rivoallan, A, Presence des Celtes. Paris: Nouvelle Librairie Celtique, 1957.
- Snyder, Edward Douglas, The Celtic Revival in English Literature, 1760-1800. Cambridge: Harvard University Pres, 1923; rep., Gloucester: Peter Smith, 1965.
- Spence, Lewis. A Dictionary of Medieval Romance and Romance Writers. London: Routledge; New York: E. P. Dutton, 1913; rep. New York: Humanities, 1962.
- Studia Celtica [Cardiff], 1966.
- Sykes, Egerton, Everyman’s Dictionary of Non-Classical Mythlology. New York: Dutton, 1965.
- Szabo, Miklos, The Celtic Heritage in Hungary, tr. Paul Aston. Budapest: Corvina, 1971.
- Wagner, Heinrich, Studies in the Origin of the Celts and of Early Celtic Civilisation. Belfast, Tubingen: Niemeyer (for the Belfast Institute o rish Studies), 1971.
- Westwood, Jennifer, Albion: A Guide to Legendary Britain. London: Grenada, 1985; Bridgeport, CT: Merrimack, 1986.
- Zeitschrift für celtische Philologie [Halle, 1897- 1941; Tubingen, 1953- ], 1897- .