Keefe, James F. The world of the opossum, by James F. Keefe. With photos. by Don Wooldridge. - [1st ed.] - Philadelphia, Lippincott [1967] - 144 p. illus. 27 cm. - A Living world book . - Living world books. . Bibliography: p. 135-139. Subjects--Topical Terms: Opossums. LC Class. No.: QL737.M3 / K4 Dewey Class. No.: 599.2