TY  - BOOK
AU  - Lebergott,Stanley, x
AU  - x
TI  - Manpower in economic growth ; : . . . 
SN  - x
U1  - 330.109/LEM  
PY  - 1964///
CY  - N. Y. 
PB  - MacGraw - Hill
KW  - Economic history
N1  - Includes
ER  -