The earth before history : man's origin and the origin of life / Edmond Perrier ; translated by Paul Radin and V. C. C. Collum. - London : Kegan paul, trench trubner, 1925. - xxii, 345 p. ; 24 cm. - The history of civilization. . Includes index. Bibliography : p. 337-339 93 93 Subjects--Topical Terms: History of the ancient world. Dewey Class. No.: 930 / P428e