TY  - BOOK
AU  -  Spencer Herbert, Peel J.D.Y.
TI  - On social evolution: selected writings
SN  - 022676891
U1  - 301.24 
PY  - 1972///
CY  - Chicgo
PB  - University of Chicago Press
KW  - Evolution
KW  - Social Change
N2  -  Social Change, Evolution
ER  -