TY  - BOOK
AU  - Padfield,Harland
AU  - 
TI  - Farmers workers and machines : 
U1  - 572/P123f 
PY  - 0000///The University of Agizona press
PY  - 1965///
CY  - Tucsou 
N1  - Includes index(P323-325) and bibliography(P316-322).
ER  -