TY  - BOOK
AU  - Hallpike, C. R.
TI  - The Principles of Social Evolution
SN  - 0-19-827265-0
U1  - 473.2/HAL/P 
KW  - Darwinism and social evolution|Environmental Determinism and Social Variability|Survival (of the mediocre)
KW  - Social evolution
N1  - 4660; Social evolution
ER  -