Books by Harold R. Walker:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Walker, Harold R. (Harold Ray), 1893-: Harvesting corn for grain (U.S. Dept. of Agriculture, Bureau of Agricultural Economics, 1953), also by Albert P. Brodell (page images at HathiTrust)
Find more by Harold R. Walker at your library, or elsewhere.