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Epidemiology. Over-wintering Studies and Related Correspondence. A Study of the Overwintering of Uredinia of Black Stem Rust, Manhattan, Kansas, Lawrence A. Schaal. (Box 14, Folder 51)
Epidemiology. Over-wintering Studies and Related Correspondence. Monthly Station Reports of Overwintering Studies of Rust, R. S. Kirby. (Box 14, Folder 6)
Epidemiology. Over-wintering Studies and Related Correspondence. North Dakota Stations Observed. (Box 14, Folder 38)
Epidemiology. Over-wintering Studies and Related Correspondence. Overwintering and Barberry Infection by State. (Box 15, Folder 2)
Epidemiology. Over-wintering Studies and Related Correspondence. Overwintering Correspondence, Bemidji, Minnesota, H.A. Pflughoeft. (Box 14, Folder 49)
Epidemiology. Over-wintering Studies and Related Correspondence. Overwintering, Correspondence, F. E. Kempton. (Box 14, Folder 24)
Epidemiology. Over-wintering Studies and Related Correspondence. Overwintering Correspondence, Missouri, L. L. Alexander. (Box 14, Folder 53)
Epidemiology. Over-wintering Studies and Related Correspondence. Overwintering Correspondence, Nebraska, A. F. Theil. (Box 14, Folder 52)
Epidemiology. Over-wintering Studies and Related Correspondence. Overwintering Correspondence, New York, R. S. Kirby. (Box 14, Folder 58)
Epidemiology. Over-wintering Studies and Related Correspondence. Overwintering Correspondence, North Dakota, G. C. Mayoue. (Box 14, Folder 46)