Brown, R.C.
- A.C. Cline Correspondence: Planting and Pest Inquiries. 1935-1940
- A.C. Cline Correspondence: Shepard, W.. 1929-1941
- A.C. Cline Correspondence: United States Department of Agriculture - Forest Service. 1938-1942
- A.C. Cline Correspondence: United States Department of Agriculture Bureau of Entomology and Plant Quarantine. 1935-1945