TY  - BOOK
AU  - Hofstadter,Richard
TI  - Social darwinism in american thought
T2  - Beacon paperbacks
AV  - HM22.E8 H6
PY  - 1955///
CY  - Boston
PB  - The Beacon Press
KW  - Evolución
KW  - Sociología
KW  - Historia
KW  - Estados Unidos
N1  - Beacon contemporary affairs series
ER  -