TY  - BOOK
AU  - Williams,Robert C.
TI  - Fordson, Farmall, and Poppin' Johnny: a history of the farm tractor and its impact on America 
SN  - 025201328X
U1  - 631.3/72/0973 19
PY  - 1987///
CY  - Urbana
PB  - University of Illinois Press
KW  - Farm tractors
KW  - United States
KW  - History
KW  - Canada
KW  - Agriculture
N1  - Includes index; Bibliography: p. [191]-227
ER  -