Walker, Ernest, et al. Mammals of the World . Johns Hopkins Press, 1964. Basic reference source on all known and present genera of mammalian life. Organized by order, families and genera.
Articles describe animals, their range, their breeding characteristics and habits.
Volume II is a comprehensive bibliography for those seeking more extensive information. Includes many photographs. The Encyclopedia of Birds . Edited by Dr. Christopher M. Perrins and Dr. Alex L.A. Middelton. Ostriches to Buttonquails, Plovers to Woodpeckers and the Passerines.