Farm experience with the tractor
By: by Arnold P. Yerkes and H.H. Mowry
Contributors: Mowry, H. H. (Herbert Hager), 1879-
Series: Bulletin of the U.S. Department of Agriculture -- no. 174; Bulletin of the U.S. Department of Agriculture -- no. 174.
Publisher: U.S. Dept. of Agriculture
Published: 1915
Place of publication: Washington, D.C
Language: eng
Number of pages: 44
Subjects: Farm tractors
Notes: Caption title.

"April 15, 1915."