TY  - BOOK
AU  - x, x
AU  - x
TI  - Cooperation principles and practices: Eleventh Yearbook
SN  - x
U1  - 334/COO 
PY  - 1939///
CY  - Washington
PB  - D.of S. and D. of I.
KW  - Cooperartion
N1  - x
ER  -