1. ‘American diplomacy, the 1933 Wheat Conference, and recognition of the Soviet Union’;Bowers;AH,1966
2. ‘Blinded by technology: American agriculture in the Soviet Union, 1928–1932’;Deborah;AH,1996
3. ‘Ekonomicheskie i khozyaistvennye zemetki’;Chernyaev;SKhiL,1875
4. ‘Changes in wheat varieties and yields in the United States, 1919–1984’;Dalrymple;AH,1988
5. ‘Marquis wheat: triumph of scientific endeavor’;Morrison;AH,1960