TY - BOOK AU - Lenski,Gerhard TI - Human societies: a macrolevel introduction to sociology SN - 07-037166-0 AV - HM51 .L46 1970 PY - 1970/// CY - New York PB - McGraw-Hill book company KW - Human KW - Societies KW - Human societies KW - Sociology N1 - Includes index ER -