Books by T. R. Pirtle:
Books in the extended shelves:
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Pirtle, T. R. (Thomas Ross), 1870-: A handbook of dairy statistics (U.S. Govt. print. off., 1933), also by United States. Bureau of Agricultural Economics (page images at HathiTrust)- Pirtle, T. R. (Thomas Ross), 1870-: A handbook of dairy statistics. (Govt. Print. Off., 1922), also by United States. Bureau of Animal Industry (page images at HathiTrust)
- Pirtle, T. R. (Thomas Ross), 1870-: A handbook of dairy statistics ... (U.S. Govt. print. off., 1928), also by United States. Bureau of Agricultural Economics (page images at HathiTrust)
- Pirtle, T. R. (Thomas Ross), 1870-: Handbook of poultry and egg statistics. (U.S. Govt. Print. Off., 1937), also by Rob R. Slocum (page images at HathiTrust)
- Pirtle, T. R. (Thomas Ross), 1870-: Handbook of poultry and egg statistics (U.S. Dept. of Agriculture, 1933), also by Rob R. Slocum (page images at HathiTrust)
- Pirtle, T. R. (Thomas Ross), 1870-: History of the dairy industry (Mojonnier Bros. Co., 1926) (page images at HathiTrust)
- Pirtle, T. R. (Thomas Ross), 1870-: Supplement to Handbook of dairy statistics- (U.S. Dept. of Agriculture, Bureau of Agricultural Economics, Division of Dairy and Poultry Products, 1930), also by United States. Bureau of Agricultural Economics. Division of Dairy and Poultry Products (page images at HathiTrust)
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