Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Art1949-<630.82-I64r>
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by M.G. SpanglerIowa State College of Agriculture and Mechanic Arts[1942]
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by Rudolph, A. S. and Max LevineIowa state college of agriculture and mechanic arts1941
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by Edward S. LynchIowa state college of agriculture and mechanic arts1941
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by W. J. SchlickIowa state college of agriculture and mechanic arts1940
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by H.F. Long and B.W. HammerAgricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts1941
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by N.E. Fabricius and E.W. Bird[Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts]1940
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by H.W. Bryant and B.W. Hammer[Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts]1940
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W. J. Schlick, Bernard A. MooreIowa state college of agriculture and mechanic arts1936
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- 一般注記Iowa State College of Agriculture and Mechanic Arts. Official publication. vol. x...
by D. L. HollIowa state college of agriculture and mechanic arts1936
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- 一般注記Iowa State College of Agriculture and Mechanic Arts. Official publication. vol. x...
by Harry L. Daasch and John HugIowa State College of Agriculture and Mechanic Arts[1935]
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- 一般注記Iowa State College of Agriculture and Mechanic Arts. Official publication. vol. x...
Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts[Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts][1936]-
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- 著者標目Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
Agricultural Experiment Station[Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts][1936]-
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- 著者標目...iment Station, Iowa State College of Agriculture and Mechanic Arts
Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts[Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts][1936]-
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- 著者標目...iment Station, Iowa State College of Agriculture and Mechanic Arts
by Henry Giese and C.Y. CannonAgricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts1932
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by R.H. Walker, P.E. Brown and A.W. YoungAgricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts1932
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by N.E. Fabricius and B.W. HammerAgricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts1931
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Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic ArtsAgricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts[1931]-[1935]
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- 著者標目Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
by D.A. FitzGeraldAgricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts1928
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[by E. G. Nourse and Frank Robotka]Iowa State College of Agriculture and Mechanic Arts1924
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