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Highways of Civilization and the Choice Before Us : Addresses Delivered by James S. Thomson ... to the Saskatchewan Field Husbandry Association Convention, January 14th, 1942, and the Saskatchewan Livestock Convention, January 28th, 1942

James Sutherland ThomsonUniversity of Saskatchewan. Extension DivisionSaskatchewan Field Husbandry Association

出版	Extension Department, University of Saskatchewan, 1942
URL	http://books.google.com.hk/books?id=jKautAEACAAJ&hl=&source=gbs_api