- Farrier, Herbert. (1 p. TLS from Japan Paper Company) — January 3, 1924
- Watson, N. R. (1 p., ALS from India) — Oct. 26, 1924
- Cullen, W. E. ( ½ p. TLS from Spokane, WA) — Feb. 23, 1925
- Herrell, Edward (1 p., ALS from Oakland, CA) — June 16, 1927
- Hopkins, Frederick (2 pp., ALS from The Saturday Review, NYC) — June 27 [no year]
- Hamilton, A. E. (1 p., ALS from Maine) — [no date]
- McKean, Thomas N. (4 pp., ALS from Los Angeles, CA) — April 7, 1933
- Carpenter, E. H. (4 pp., ALS from Manchester, NH) — Oct. 26, 1927
- Steinhardt, Maxwell (TNS w/ 10 pp. typescript, from NYC) — July 14, 1926
- Morley, Christopher (Christmas card & envelope) — Dec. 23, 1925
- Foley, John L. (postcard, signed from Utica, NY) — June 13, 1926