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By: Mason, Burton B., - Robotka, Frank, - Swarthout, A. V. (Arthur Vance),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1919Volume: no.811 (1919)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Knapp, George Osmon, - Mason, Burton B., - Swarthout, A. V. (Arthur Vance),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920Volume: no.865 (1920)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Conn, Joseph Henry, - Swarthout, A. V. (Arthur Vance),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921Volume: no.1006 (1921)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Swarthout, A. V. (Arthur Vance), - Bexell, J. A. (John Andrew),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921Volume: no.985 (1921)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: