TY  - BOOK
AU  - Mcdougall, William
TI  - Riddle of Life 
U1  - 146 
PY  - 1938///
CY  - London 
PB  - Methuen & Co. Ltd. 
KW  - Life (Biology)
KW  - Biology
KW  - Philosophy
N1  - "First published in 1938."
UR  - https://lucknowdigitallibrary.com/publications/riddle-of-life-a-survey-of-theories
ER  -