Elmer J. Perdue
Annual Cooperative Soybean Oil Mills Conference (7th 1954 Mason City, Iowa)
Annual Conference on Problems of Cooperative Cottonseed and Soybean Oil Mills 2nd (1956 New Orleans, La.)
Annual Conference on Problems of Cooperative Cottonseed and Soybean Oil Mills 1st (1955 Lubbock, Tex.)
John M. Brewster
