Books by J. A. Jeffery:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Jeffery, J. A. (Joseph Alexander), 1859-: Cement silos in Michigan (Michigan State Agricultural College, Experiment Station, 1909) (page images at HathiTrust)- Jeffery, J. A. (Joseph Alexander), 1859-: College farm buildings (Michigan State Agricultural College Experiment Station, 1907), also by R. S. Shaw (page images at HathiTrust)
- Jeffery, J. A. (Joseph Alexander), 1859-: Soil moisture : its importance and management (Michigan State Agricultural College Experiment Station, 1904) (page images at HathiTrust)
- Jeffery, J. A. (Joseph Alexander), 1859-: A study of methods of cultivation (Government Agricultural Experiment Station for North Dakota, 1897), also by John H. Shepperd (page images at HathiTrust)
- Jeffery, J. A. (Joseph Alexander), 1859-: Text-book of land drainage (The Macmillan Co., 1916) (page images at HathiTrust)
Find more by J. A. Jeffery at your library, or elsewhere.