Alexander, Marc – Folklore, Myths & Customs of Britain, Sutton Publishing, 2002.

Allen, Judy – Fantasy Encyclopedia, Kingfisher, 2005

Campbell, Joseph – The Hero With A Thousand Faces, Princeton University Press, 1973.

Hathaway, Nancy – Unicorn, Tess Press, 1980.

Hausman, Gerald and Loretta – The Mythology of Horses, Three Rivers Press, 2003.

Lindahl, Carl and John McNamara and John Lindow – Medieval Folklore, Oxford University Press, 2000.

Manguel, Alberto and Gianni Guadalupi – The Dictionary of Imaginary Places, Harcourt Brace, 1987.