Beer , Master Richard ' s Bestiary , 15 ~ 16 쪽 ; recit in Janetta Rebold Benton , Medieval Menagerie , 1992 , 115 쪽 ; Margaret B . Freeman , The Unicorn Tapiestries , 229 ~ 230 쪽 ; Richard de Fournival , Master Richard ' s Bestiary of Love and Response , trans . J . Beer , 1986 , xviii , xv .