James McNelis (1996)

A Greyhound should have "eres in þe manere of a serpent". Bestiary material in the hunting manuals Livre de chasse and The Master of the Game

In: Animals and the symbolic in mediaeval art and literature, ed. by Luuk A. J. R. Houwen. Egbert Forsten, Groningen Mediaevalia Groningana. 20. , pp. 67-76.