Morgan, H.S.
- A.C. Cline Correspondence: Bryant, E.S.. 1939-1940
- A.C. Cline Correspondence: Conant, J.B.. 1941-1946
- A.C. Cline Correspondence: Cook, H.O.. 1939-1940
- A.C. Cline Correspondence: Kittredge, J., Jr.. 1939-1942
- R.T. Fisher - obituaries, letters concerning his death, Fisher Memorial Committee. 1934
- Ward Shepard Correspondence: Keppel, F.P.. 1937-1938
- Ward Shepard Correspondence: Rockefeller Foundation. 1936-1937