TY  - BOOK
AU  - Wertz,V.R.
TI  - Economic trends in agriculture
U1  - 338.1 
PY  - 1954///
CY  - Ann Arbor, Mich.
PB  - J. W. Edwards
KW  - Agriculture
KW  - Economic aspects
KW  - United States
N1  - Includes index
ER  -