Tractors and horses in the winter wheat belt, Oklahoma, Kansas, Nebraska /

Bibliographic Details

Main Author:	Tolley, H. R. (Howard Ross), 1889-1958
Other Authors:	Humphries, W. R. (Walter Raymond), 1886-
Format:	Book
Language:	English
Published:	Washington : Govt. Print. Off, 1924.
Series:	United States. Dept. of Agriculture. Department bulletin no. 1202
Subjects:	Farm mechanization. Horses. Traction-engines.