Ascalone, Enrico (2007): (Dictionaries of Civilizations; 1). Berkeley: University of California Press. ISBN 0-520-25266-7 (paperback). Bottéro, Jean, André Finet, Bertrand Lafont, & George Roux (2001): . Edingurgh: Edinburgh University Press, Baltimore: Johns Hopkins University Press. Crawford, Harriet E. W. (2004): . Cambridge: Cambridge University Press. Leick, Gwendolyn (2002): . London and New York: Penguin. Lloyd, Seton (1978): . London: Thames and Hudson. Nemet-Nejat, Karen Rhea (1998): . London and Westport, Conn.: Greenwood Press.