Books by Arnold Phipps Yerkes:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Yerkes, Arnold Phipps, 1885-: Cost of harvesting wheat by different methods (U.S. Dept. of Agriculture, 1918), also by L. M. Church (page images at HathiTrust)- Yerkes, Arnold Phipps, 1885-: Fire prevention and fire fighting on the farm (U.S. Dept. of Agriculture, 1918), also by H. R. Tolley (page images at HathiTrust)
- Yerkes, Arnold Phipps, 1885-: The gas tractor in Eastern farming (U.S. Dept. of Agriculture, 1918), also by L. M. Church (page images at HathiTrust)
- Yerkes, Arnold Phipps, 1885-: Minor articles of farm equipment (U.S. Dept. of Agriculture, 1917), also by Harold Nelson Humphrey (page images at HathiTrust)
- Yerkes, Arnold Phipps, 1885-: Practical hints on running a gas engine (U.S. Dept. of Agriculture, 1919) (page images at HathiTrust)
Find more by Arnold Phipps Yerkes at your library, or elsewhere.