The Online Books Page

Books by G. C. Humphrey:

Books in the extended shelves:

• Humphrey, G. C. (George Colvin), 1875-: Community breeders' associations for dairy cattle improvement (The University of Wisconsin, Agricultural Experiment Station, 1910) (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Comparative efficiency for growth of the nitrogen of alfalfa hay and corn grain (Agricultural Experiment Station of the University of Wisconsin, 1914), also by E. B. Hart, E. G. Hart, and F. B. Morrison (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Cut the cost of feeding cows (Agricultural Experiment Station, University of Wisconsin, 1930), also by E. B. Hart (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: The efficiency, economy and physiological effect of machine milking (The University of Wisconsin Agricultural Experiment Station, 1909), also by F. W. Woll, Conrad Hoffman, A. S. Alexander, and E. G. Hastings (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Fitting yearling wethers and lambs for exhibition (University of Wisconsin, Agricultural Experiment Station, 1913), also by Frank Kleinheinz (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Influence of rations restricted to the oat plant on reproduction in cattle (Agricultural Experiment Station of the University of Wisconsin, 1920), also by E. B. Hart and H. Steenbock (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Judging dairy cattle (Agricultural Experiment Station, University of Wisconsin, 1921) (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Judging dairy cows (Agricultural Experiment Station of the University of Wisconsin, 1916) (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Milking machine experiments (University of Wisconsin, Agricultural Experiment Station, 1909), also by F. W. Woll (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: New facts on feeding cattle for successful growth and reproduction (Agricultural Experiment Station of the University of Wisconsin, 1918), also by E. B. Hart and H. Steenbock (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Practical lessons from the management of the university dairy herd (The University of Wisconsin, Agricultural Experiment Station, 1911), also by F. W. Woll (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: The relation of nutrition to contagious cattle abortion (Agricultural Experiment Station of the University of Wisconsin, 1932), also by E. B. Hart and F. B. Hadley (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: The role of the ash constituents of wheat bran in the metabolism of herbivora (The University of Wisconsin Agricultural Experiment Station, 1909), also by E. B. Hart and Elmer Verner McCollum (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: The selection of feeds for dairy cows (The University of Wisconsin, Agricultural Experiment Station, 1911), also by F. W. Woll (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Soiling crops vs. silage for dairy cows in summer (Agricultural Experiment Station of the University of Wisconsin, 1914), also by F. W. Woll and A. C. Oosterhuis (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: Studies of the protein requirements of dairy cows (The University of Wisconsin Agricultural Experiment Station, 1910), also by F. W. Woll (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: The university dairy herd, 1908-1909 (The University of Wisconsin, Agricultural Experiment Station, 1909), also by F. W. Woll (page images at HathiTrust)
• Humphrey, G. C. (George Colvin), 1875-: The university dairy herd management and records, 1907-1908 (University of Wisconsin, Agricultural Experiment Station, 1908), also by F. W. Woll (page images at HathiTrust)

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