TY  - BOOK
AU  - Black,John D.
TI  - Farm management
AV  - S561 .B53
U1  - 631 
PY  - 1947///
CY  - New York
PB  - The Macmillan company
KW  - Farm management
KW  - United States
KW  - Agriculture
N1  - "Further reading" at end of most of the chapters
ER  -