- US US-IaGG MS/MS 01.01-3-6
- File
undated (1919/1920)
- JNH to E. Sedgwick-introd. for C. Payne, never used.
1919
- Jan. 7 Mrs. A.W. Hall to JNH; Colfax, Ia. (2 f.)
- Feb. 1 Gorrell to Asst. Chief of Air Service; Tours. (telegram)
- Feb. 3 JNH to Asst. Chief of Air Service; experience as POW. (13 p.)
- Cox & Co. to JNH; London. (2 checks, 2 p. & brochure.)
- Feb. 8 H.W. Hubbard to JNH; Paotingfu, China. (2 p.)
- Mar. 12 Edmund Gros to JNH; Paris. ( 1p.)
- Mar. 23 Chester Davis to JNH; Great Falls, Mont. (2 p.)
- Mar. 28 P.C. Eastment (McClure newspaper syndicate); NYC. (1 p.)
- P.C. Eastment (McClure newspaper syndicate); NYC. (2 p.)
- Apr. 1 P.C. Eastment to JNH; NYC. (3 p.)
- Edgar G. Hamilton to JNH; Paris. (5 p.)
- Apr. 3 JNH to P.C. Eastment; Colfax, Ia. (3 p.)
- Apr. 7 P.C. Eastment to JNH; NYC. (2 p.)
- Apr. 9 R.L. Scaife to JNH (Houghton Mifflin); Boston. (1 p.)
- Apr. 10 A. Vinnera to JNH; Paris. (1 f.)
- Ambrose O'Connell (chmn. People of Iowa in NY); NYC. (2 p.)
- Apr. 16 Edgar G. Hamilton to JNH; Paris. (4 p.)
- Apr. 21 Iowa People of NY (invitation); NYC.
- May 13 A.R. Hawley (Aero Club of America); NYC. (1 p.)
- May 15 Ellery Sedgwick to JNH & CN; Boston. (2 p.)
- May 20 Ellery Sedgwick to JNH; Boston. (2 p. and enclosure)