Thomsen, Frederick Lundy, 1898-
McGraw-Hill
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Abbott, John Cave, 1919-
C.A.B. International
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Waite, Warren C., Trelogan, Harry Chester, 1908-1985
Burgess Publishing
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Moore, John R. (John Runyan), 1929-, Walsh, Richard G., 1930-
Iowa State University Press
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Shepherd, Geoffrey Seddon, 1898-
Iowa State College Press
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Jones, E. L. (Eric Lionel), Hartwell, R. M. (Ronald Max), 1921-
Blackwell
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Food and Agriculture Organization of the United Nations
Food and Agriculture Organization of the United Nations
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Smith, John Warren, 1863-1934
Macmillan
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Mighell, Ronald L. (Ronald Lester), 1902-, Black, John D. (John Donald), 1883-1960
Harvard University Press
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Allen, George Rollason
Blackwell
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United Nations. FAO/ECE Agriculture and Timber Division
United Nations
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Bowring, James R., Southworth, Herman M., Waugh, Frederick W.
Prentice-Hall
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