TY  - BOOK
AU  - Lenski,Gerhard
TI  - Human societies:  a macrolevel introduction to sociology 
U1  - 301 
PY  - 1970///
CY  - New York
PB  - McGraw - Hill Book Company
KW  - Sociology
N1  - Includes glossary,appendix,picture,credits,index
ER  -