Silcox, Ferdinand A.
- A.C. Cline Correspondence: Shepard, W.. 1929-1941
- Ward Shepard Correspondence: Brinser, Ayers. 1937-1938
- Ward Shepard Correspondence: Hollander, S.. 1937
- Ward Shepard Correspondence: Jewett, G. F.. 1936-1939
- Ward Shepard Correspondence: U.S.D.A. Forest Service. 1925-1938
- Ward Shepard Correspondence: United States Department of Agriculture. 1936-1938