Morgan, Henry S.
- A.C. Cline Correspondence: Bryant, E.S.. 1939-1940
- A.C. Cline Correspondence: Cook, H.O.. 1939-1940
- A.C. Cline Correspondence: Foster, C.H.. 1935-1945
- A.C. Cline Correspondence: Jones, T.C.. 1937-1950
- A.C. Cline Correspondence: Kittredge, J., Jr.. 1939-1942
- A.C. Cline Correspondence: Merrill, E.D.. 1935-1944
- A.C. Cline Correspondence: Shepard, W.. 1929-1941
- Friends of Harvard Forest Annual Field Day invitations. 1949-1970
- R.T. Fisher Correspondence: Harvard Corporation (The). 1908-1933
- R.T. Fisher memorial correspondence and obituaries. 1934
- Ward Shepard Correspondence: Bell, L.. 1937-1939
- Ward Shepard Correspondence: Harvard Forest Endowment Fund. 1937
- Ward Shepard Correspondence: Jewett, G. F.. 1936-1939
- Ward Shepard Correspondence: Keppel, F.P.. 1937-1938
- Ward Shepard Correspondence: Merrill, E.D.. 1936-1939
- Ward Shepard Correspondence: Rockefeller Foundation. 1936-1937