Books by J. R. Magness:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Magness, J. R. (John Robert), 1894-: American grape varieties (U.S. Dept. of Agriculture, 1937), also by I. W. Dix (page images at HathiTrust)- Magness, J. R. (John Robert), 1894-: Apple varieties and important producing sections of the United States (U.S. Dept. of Agriculture, 1941) (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: Fundamentals of heredity for breeders. (Govt. print. off., 1937), also by Albert Francis Blakeslee, Robert C. Cook, and Earl Norman Bressman (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: Internal browning of the yellow Newton apple (U.S. Dept. of Agriculture, 1922), also by W. S. Ballard and Lon A. Hawkins (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: Pear growing in the Pacific Coast states (U.S. Dept. of Agriculture, 1957) (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: Picking maturity of apples in relation to storage (U.S. Dept. of Agriculture, 1926), also by H. C. Diehl and M. H. Haller (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: Preliminary report of pear harvesting and storage investigations in Rogue River Valley (Oregon Agricultural College Experiment Station, 1918), also by C. I. Lewis and C. C. Cate (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: Pruning investigations (Oregon Agricultural College Experiment Station, 1916), also by Victor Ray Gardner and A. F. Yeager (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: Pruning investigations : second report (Oregon Agricultural College Experiment Station, 1917), also by A. F. Edminster and Victor Ray Gardner (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: The relation of maturity of California plums to shipping and dessert quality (Agricultural Experiment Station, 1927), also by F. W. Allen and M. H. Haller (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: The Ripening, storage, and handling of apples (U.S. Dept. of Agriculture, 1926), also by D. B. Carrick (page images at HathiTrust)
- Magness, J. R. (John Robert), 1894-: Storage investigations, 1921-1922 (The Marble Laboratory, Inc., 1923), also by M. E. Pennington and A. M. Burroughs (page images at HathiTrust)
Find more by J. R. Magness at your library, or elsewhere.