TY  - BOOK
AU  - Engels, Frederick
TI  - The origin of the family, private property and the state: in the light of the researches of lewis H. Morgan 
SN  - CHS2888
U1  - 321.1 
PY  - 1981///
CY  - New York
PB  - International Publishers
KW  - Primitive society,Family - History
ER  -