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Epidemiology. Over-wintering Studies and Related Correspondence. Overwintering Studies, Texas, Wallace Butler. (Box 14, Folder 35)
Epidemiology. Over-wintering Studies and Related Correspondence. Plans for 1924 and report of Progress on Overwintering Studies. (Box 14, Folder 29)
Epidemiology. Over-wintering Studies and Related Correspondence. Progress Report of Stem Rust Overwintering Studies, Fall, E. B. Lambert. (Box 14, Folder 37)
Epidemiology. Over-wintering Studies and Related Correspondence. Report of Observations and Investigations, J. J. Christensen. (Box 14, Folder 36)
Epidemiology. Over-wintering Studies and Related Correspondence. Results of Overwintering Studies, by State. (Box 14, Folder 32)
Epidemiology. Over-wintering Studies and Related Correspondence. Rust Overwintering Reports. (Box 14, Folder 10)
Epidemiology. Over-wintering Studies and Related Correspondence. Stem Rust Overwintering Studies in Texas and Rust Survey, Wallace Butler. (Box 14, Folder 34)
Epidemiology. Over-wintering Studies and Related Correspondence. Summaries of Fall/Winter Observations, W. L. Popham. (Box 15, Folder 33)
Epidemiology. Over-wintering Studies and Related Correspondence. Summary of Rust Overwintering Studies, R. S. Kirby. (Box 14, Folder 7)
Epidemiology. Reports. Annual Progress Reports and Plans and Projects, Organization and Personnel. (Box 13, Folder 21)