Lenski, Gerhard Human societies : An introduction to macrosociology / Gerhard Lenski & Jean Lenski - New York : Mcgraw-hill book company , 1974 - ix, 511p. : ill. ; 25 cm. Includes index. ISBN: 0070371725 Subjects--Topical Terms: Human societiesmacrosociology Dewey Class. No.: 301 / LEN