Pitman, Theodore B.
- A.C. Cline Correspondence: Howard, W.G.. 1936-1942
- A.C. Cline Correspondence: Shepard, W.. 1929-1941
- Crown relations of red oak and white ash - taken for Guernsey and Pittman; TS II, Hd-1. 1934
- Fagus sylvatica; TS IV, P-Hm-Hd-3 (1937), now open. 1940
- Harvard Forest Fisher Museum. 1931-2004
- Harvard Forest Fisher Museum Correspondence. 1931-2006