TY  - BOOK
AU  - Zirkle, Conway,
TI  - Evolution, Marxian biology, and social scene.
U1  - 575 ZIR 
PY  - 1959///]
CY  - Philadelphia
PB  - University of Pennsylvania Press
KW  - Genetics
KW  - History
KW  - Evolution
KW  - Socialism
KW  - Literature and science
N1  - Includes bibliographical references
ER  -