TY  - BOOK
AU  - Simpson,George Gaylord
TI  - The meaning of evolution
T2  - A Mentor book
AV  - QH366 .S58 1951
U1  - 575 
PY  - 1951///]
CY  - [New York]
PB  - New American Library
KW  - Evolution
KW  - Local
ER  -