TY  - BOOK
AU  - Strickler, Paul E.
AU  - Smith, Helen V.
ED  - U. S. Department of Agriculture
TI  - Farm machinery and equipment: : number and value of shipments use, 1935 - 39 to 1966
U1  - 73 SD:338.14 
PY  - 1968///
CY  - Washington
PB  - U. S. Department of Agriculture
ER  -