The Online Books Page

Books by Melvin R. Janssen:

Books in the extended shelves:

• Janssen, Melvin R.: Agriculture in the Upper Great Lakes Region, 1949-69 ([Washington, D.C] : [U.S. Department of Agriculture], [1973], 1973), also by Upper Great Lakes Regional Commission (U.S.) (page images at HathiTrust)
• Janssen, Melvin R.: Beef cow herd costs and returns in southern Indiana (Purdue University Agricultural Experiment Station, 1961) (page images at HathiTrust)
• Janssen, Melvin R.: Changes in farm organization and operation in a central Indiana township, 1910-1955 (Purdue University Agricultural Experiment Station, 1959), also by Ludwig Maria Eisgruber (page images at HathiTrust)
• Janssen, Melvin R.: Economic effects of cropping and livestock systems on a rolling central Indiana farm (Purdue University Agricultural Experiment Station, 1955), also by Lynn Robertson (page images at HathiTrust)
• Janssen, Melvin R.: Profitable alternative systems of farming on a level central Indiana farm (Purdue University Agricultural Experiment Station, 1956), also by Lynn Robertson (page images at HathiTrust)
• Janssen, Melvin R.: Use of credit by farmers in central Indiana (Purdue University Agricultural Experiment Station, 1961), also by Leon F. Hesser (page images at HathiTrust)

Find more by Melvin R. Janssen at your library, or elsewhere.