Hahn, Emily On the side of the apes. - New York Crowell [1971] - 239 p. illus. 24 cm. 920313 Bibliography: p. 229. ISBN: 0690599927 LCCN: 78146282 Subjects--Topical Terms: PrimatesPrimates--Behavior.Primates as laboratory animals. LC Class. No.: QL737.P9 / H24 Dewey Class. No.: 599.8/045