More about J. C. Hackleman:
| | Books by J. C. Hackleman: Books in the extended shelves: Hackleman, J. C. (Jay Courtland), 1888-: Corn growers face the worst seed shortage in years (University of Illinois Agricultural Experiment Station, 1924) (page images at HathiTrust) Hackleman, J. C. (Jay Courtland), 1888-: Cotton growing in Illinois (University of Illinois Agricultural Experiment Station, 1924), also by J. Albert Evans and F. C. Bauer (page images at HathiTrust) Hackleman, J. C. (Jay Courtland), 1888-: Eleven years of soybean investigations : varieties, seeding, storage (University of Illinois Agricultural Experiment Station, 1940), also by W. L. Burlison and C. A. Van Doren (page images at HathiTrust) Hackleman, J. C. (Jay Courtland), 1888-: Growing alfalfa in Illinois (University of Illinois Agricultural Experiment Station, 1930), also by W. L. Burlison and Ogle Hesse Sears (page images at HathiTrust) Hackleman, J. C. (Jay Courtland), 1888-: Growing soybeans in Illinois (University of Illinois Agricultural Experiment Station, 1922) (page images at HathiTrust) Hackleman, J. C. (Jay Courtland), 1888-: Soybean production in Illinois (University of Illinois Agricultural Experiment Station, 1928), also by Ogle Hesse Sears and W. L. Burlison (page images at HathiTrust)
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