1. Board of Grain Commissioners, Grain Research Laboratory, Winnipeg, Manitoba. Eighteenth Annual Report—1944 (and earlier reports, especially).
2. Sunflower Production for Grain. Special Pamphlet No. 69, War-Time Production Series. Agricultural Supplies Board, Ottawa, Canada (1943).
3. Report on Oil Seeds Investigations, Experimental Farms Service and Science Service, Dominion Department of Agriculture, Ottawa, Canada (1943).
4. Bickford, W. G., Mann, G. E., and Markley, K. S., Oil and Soap20, 85–89 (1943).
5. Committee on Analysis of Commercial Fats and Oils, Oil and Soap22, 101–107 (1945).