Gabel, Creighton, Man before history. [electronic resource] . — Englewood Cliffs, N.J., : Prentice-Hall, [1964]. — vi, 183 p. : illus. 21 cm. - The Global history series. — (A Spectrum book.). Bibliography: p. 180-183. LCCN: 64014980 Subjects--Topical Terms: Prehistoric peoples.Archaeology. LC Class. No.: GN705 / .G3 Dewey Class. No.: 571.082