Author
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Institut istorii SSSR (Akademi︠i︡a nauk SSSR)
9
Iowa State College. Agricultural Experiment Station
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Iowa State College. Agricultural and Home Economics Experiment Station
9
Lunds universitet
9
Ohio State Horticultural Society
9
Warren, George F. (George Frederick), 1874-1938
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Wylie, F. V.
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Agricultural and Mechanical College of Texas
8
Argentina. Ministerio de Agricultura
8
Australian National University
8
Göteborgs universitet
8
Indonesia. Departemen Pertanian. Biro Perencanaan
8
Institut Pertanian Bogor
8
Institut so︠t︡sialʹno-ėkonomicheskikh problem razviti︠i︡a agrarno-promyshlennogo kompleksa (Akademi︠i︡a nauk SSSR)
8
Iowa Agricultural Experiment Station
8
Karnataka (India). Dept. of Agriculture
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Karnataka (India). Planning Dept. Project Formulation Division
8
Michigan State Farm Bureau
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Punjab (India). Economic and Statistical Organisation
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Roehl, Louis M. (Louis Michael), b. 1881
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Sathasivampillai, K.
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Texas Farmers' Congress
8
United States. Federal Extension Service
8
University of Minnesota. Agricultural Experiment Station
8
Universität Hamburg
8
Akademia Rolnicza im. H. Kołłątaja w Krakowie
7
Assam (India). Dept. of Agriculture
7
Bailey, L. H. (Liberty Hyde), 1858-1954
7
Bayerische Julius-Maximilians-Universität Würzburg
7
Bāṃlādeśa Pallī Unnaẏana Ekāḍemī
7
El Dorado County Farm Bureau (Calif.)
7
Gujarat (India). Directorate of Agriculture
7
India. Planning Commission. Agro-Climatic Regional Planning Unit
7
Iowa State College. Extension Service
7
Iowa State University. Agricultural and Home Economics Experiment Station
7
Landwirtschaftliche Hochschule Berlin
7
Michigan Agricultural College
7
North Dakota Agricultural College. Extension Service
7
Norway. Statistisk sentralbyrå
7
Ohio Agricultural Research and Development Center
7
Ohio. Dept. of Agriculture
7
Pakistan. Food and Agriculture Division. Planning Unit
7
Perhimpunan Ekonomi Pertanian Indonesia
7
Placer County Farm Bureau (Calif.)
7
Punjab (India). Dept. of Agriculture
7
Saeed Hafeez, 1940-
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Santa Barbara County Farm Bureau (Calif.)
7
Soviet Union. Ministerstvo selʹskogo khoz︠i︡aĭstva
7
Sveriges lantbruksuniversitet
7
Swaminathan, Monkombu Sambasivan
7
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