Adalsteinsson, Jon Hnefill, A Piece of Horse Liver: Myth, Ritual, and Folklore in Old Icelandic Sources (Reykjavik: University of Iceland Press, 1998).
Adomnan of Iona, Life of St. Columba, trans. Richard Sharpe (London: Penguin Books, 1990).
Alcock, Leslie, Arthur’s Britain (Middlesex, England: Penguin Books, 1975).
Arnold, Ralph, A Social History of England: 35 B.C. to A.D. 1215 (New York: Barnes & Noble, 1967).
Blair, Peter Hunter, Northumbria in the Days of Bede (New York: St. Martin’s Press, 1976).
Calise, J. M. P., Pictish Sourcebook (London: Greenwood Press, 2002).
Chetan, Anand, and Diana Brueton, The Sacred Yew (London: Penguin Books, 1994).
Cummins, W. A., The Age of the Picts (Gloucestershire, England: Alan Sutton Publishing, 1995).
Foote, P. G., and D. M. Wilson, The Viking Achievement (London: Praeger Publishers, 1970).
Gantz, Jeffrey, Early Irish Myths and Sagas (London: Penguin Books, 1981).
Griffiths, Bill, Aspects of Anglo-Saxon Magic (Norfolk, England: Anglo-Saxon Books, 1996).
Guthrie, E. J., Old Scottish Customs (Glasgow, Scotland: Thomas D. Morison Co., 1885).
Hagen, Ann, A Handbook of Anglo-Saxon Food: Production and Distribution (Norfolk, England: Anglo-Saxon Books, 1995).
—, A Handbook of Anglo-Saxon Food: Processing and Consumption (Norfolk, England: Anglo-Saxon Books, 1992).
Henderson, Isabel, The Picts (New York: Praeger Publishers, 1967).
Hingley, Richard, Settlement and Sacrifice: The Later Prehistoric People of Scotland (Edinburgh, Scotland: Canongate Books, 1998).
Hutton, Ronald, The Stations of the Sun (New York: Oxford University Press, 1996).
Jackson, Kenneth Hurlstone, trans., A Celtic Miscellany (London: Penguin Books, 1971).
Jesch, Judith, Women in the Viking Age (Suffolk, England: Boydell Press, 1991).
Kennedy, Charles W., trans., An Anthology of Old English Poetry (New York: Oxford University Press, 1968).
Keynes, Simon, and Michael Lapidge, trans., Alfred the Great (London: Penguin Books, 1983).
Leahy, Kevin, Anglo-Saxon Crafts (Gloucestershire, England: Tempus Publishing, 2003).
Lindow, John, Handbook of Norse Mythology (Santa Barbara, CA: ABC-CLIO, 2001).
Matthews, Caitlín, and John Matthews, The Encyclopedia of Celtic Wisdom (Dorset, England: Element Books, 1994).
Napier, James, Folklore in the West of Scotland (Ardsley, England: EP Publishing, 1976).
Owen-Crocker, Gale R., Dress in Anglo-Saxon England (Suffolk, England: Boy dell & Brewer, 2004).
Pollington, Stephen, Leechcraft: Early English Charms, Plantlore, and Healing (Norfolk, England: Anglo-Saxon Books, 2000).
—, The Mead-Hall: Feasting in Anglo-Saxon England (Norfolk, England: Anglo-Saxon Books, 2003).
Rolleston, T. W., Celtic Myths and Legends (Mineola, NY: Dover Publications, 1990).
Ross, Anne, and Don Robins, The Life and Death of a Druid Prince (New York: Simon & Schuster, 1989).
Rutherford, Ward, Celtic Lore (London: HarperCollins, 1993).
Sherley-Price, Leo, trans., Bede: Ecclesiastical History of the English People (London: Penguin Books, 1990).
Shippey, Tom, The Road to Middle Earth (New York: Houghton Mifflin, 2003).
Simpson, Jacqueline, Everyday Life in the Viking Age (New York: G. P. Putnam’s Sons, 1967).
Sutherland, Elizabeth, In Search of the Picts (London: Constable, 1994).
Webb, J. F., The Age of Bede (London: Penguin Books, 1998).
Whitelock, Dorothy, The Beginnings of English Society (Middlesex, England: Penguin Books, 1964).
Whitlock, Ralph, In Search of Lost Gods (Oxford, England: Phaidon Press, 1979).
Wilson, David, The Anglo-Saxons (Middlesex, England: Penguin Books, 1981).