Address of D. F. Houston, Secretary of Agriculture : before the Association of American Agricultural Colleges and Experimental Stations : Auditorium hotel, Chicago, Ill., November 12, 1919.
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| Typ dokumentu: | Kniha |
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angličtina |
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Washington :
Government Printing Office,
1919.
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| Edice: |
Circular / United States Department of Agriculture. Office of the Secretary. ;
147 |
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