TY  - BOOK
AU  - Raper,Arthur Franklin
AU  - Raper,Martha J.
TI  - Guide to agriculture, U.S.A.
AV  - S21 .A74 no. 30
U1  - 630.973 
PY  - 1951///]
CY  - Washington, D.C.
PB  - Office of Foreign Agricultural Relations and Bureau of Agricultural Economics, U.S. Dept. of Agriculture
KW  - Agriculture
KW  - United States
N1  - "Selected references" : p. 79
ER  -