1916
1916
- Mar. 22 W. Gunn to JNH; England. (3 p.)
- May 8 W. Gunn to JNH; England. (6 p.)
- June 20 Bobbie? to JNH; Dover, England. (3 p.)
- June 21 Bobbie? to JNH; Dover, England. (1 f.)
- Aug. 1 M. Windle to JNH; London. (1 p.)
- Aug. 10? A.F. Drucker? to Hall and Greener; London. (1 p.)
- Aug. 21 P.A. Chase to JNH; Rutland, Vt. (4 p.)
- Sep.? JNH to Greener. (1 f.)
- Sep. ? JNH to Greener. (1 card)
- Sep. 11 JNH to Cushman. (1 f.)
- Sep. 13 Edmund Gros; Paris. (1 p.)
- Sep. 15 JNH to Cushman; Paris. (postcard)
- Sep. 16 JNH to Cushman; Paris. (postcard)
- Sep. 17 JNH to Prof. Charles Payne; Paris. (postcard)
- Sep. 19 JNH to Cushman; Paris. (1 f.)
- Sep. 28 Atlantic Monthly to JNH. (1 f. [copy; not signed])
- Oct. 1 JNH to Greener; Paris. (postcard)
- JNH to Cushman; Paris. (postcard)
- Oct. 2 JNH to Greener; Paris. (2 f.)
- Oct. 3 JNH to Cushman; Paris. (postcard)
- Oct. 4 Spectator (Strachey); London. (1 p.)
- Oct. 10 Republique Francaise. Directeur de l'aeronautique militaire. (1 p.)
- Oct. 16 JNH to Cushman; Paris. (2 p.)
- Oct. 17 Boston Evening Transcript (Kline) to JNH. (1 p.)
- Oct. 28 JNH to Greener; Paris. (postcard)
- Nov. 7 Cushman to JNH. (incomplete) (3 p.)
- Nov. 8 JNH to Cushman; Paris. (1 p.)
- Nov. 28 Cushman to JNH; Roxbury, Mass. (3 p.)
- Dec. 7 JNH to Greener; Buc, France. (1 p.)
- Dec. 16 JNH to Cushman; Buc, France. (2 p.)
Dec. 16 Aunt Dizzie (Isabelle Hall) to JNH; Jamaica Plain, Mass. (3 p.)
September-November 1915
1915
- Sep. 1 JNH to mother; France. (1 p.)
- Sep. 8 JNH to mother; France. (Field postcard)
- Sep. 9 JNH to mother; France. (1 p.)
- Sep. 10 JNH to mother; France. (Field postcard)
- Sep. 12 JNH to mother; France. (2 p.)
- Sep. 20 JNH to mother; France. (Field postcard)
- Sep. 23 Dr. Main to JNH; Grinnell, Iowa. (1 p.)
- Sep. 25 JNH to family; France. (Field postcard)
- Sep. 27 JNH to family; France. (Field postcard)
- Sep. 30 Mrs. A. W. Hall to JNH; Colfax, Iowa. (2 f., 1 p.)
- Oct. 1 JNH to mother; France. (1 p.)
- Oct. 3 Edna Davis to JNH; Grinnell, Iowa. (2 f.)
- JNH to family; France. (Field postcard)
- Oct. 4 JNH to family; France. (Field postcard)
- Oct. 7 JNH to Cushman; France. (1 p.)
- JNH to family; France. (Field postcard)
- Oct. 8 JNH to family; France. (Field postcard)
- Prof. R.H. Fletcher to JNH; Grinnell, Iowa. (3 p.)
- Oct. 9 JNH to mother; France. (2 p.)
- JNH to mother; France. (Field postcard)
- Oct. 15 JNH to mother; France. (Field postcard)
- Oct. 18 JNH to mother; France. (Field postcard)
- Oct. 20 JNH to mother; France. (Field postcard)
- Oct. 22 JNH to mother; France. (Field postcard)
- Oct. 24 JNH to mother; France. (2 p.)
- Oct. 26 JNH to mother; France. (Field postcard)
- Oct. 31 JNH to mother; France. (2 p.)
- Nov. 2 JNH to mother; France. (Field postcard)
- Nov. 14 JNH to mother; France. (Field postcard)
- Nov. 16 JNH to mother; France. (4 p.)
June-August 1915
1915
- June 1 JNH to family; France. (1 p.)
- June 7 JNH to family; France. (1 p.)
- June 9 JNH to grandparents; France. (3 p.)
- June 11 JNH to mother; France. (1 p.)
- June 13 JNH to Cushman; France. (2 f.)
- June 16 JNH to mother; France. (Field postcard)
- June 17 JNH to mother; France.(Field postcard)
- June 18 JNH to mother; France. (Field post office, 1 f.)
- June 21 JNH to mother; France. (Field postcard)
- June 30 JNH to mother; France. (Field postcard)
- July 4 JNH to Aunt Dizzie; France. (2 p.)
- July 5 JNH to Cushman; France. (1 p.)
- JNH to mother; France. (Field postcard)
- July 9 JNH to Miss Annie Richards. (Field Post Office, 1 f.)
- July 13 JNH to family. (Field postcard)
- July 14 JNH to family. (Field postcard)
- July 17 JNH to mother; France (2 p.)
- July 20 JNH to Cushman; France. (3 p.)
- July 23 JNH to Cushman; France. (5 p.)
- Aug. 2 JNH to mother; France. (1 p.)
- Aug. 7 JNH to mother; France. (2 p.)
- Aug. 17 JNH to father; London. (1 p.)
- Aug. 27 JNH to family. (Field postcard)
- Aug. 28 JNH to mother; France. (2 p.)
- Aug. 31 JNH to Cushman; France. (4 p.)
January-May 1915
1915
- Jan. 5 JNH to mother; London. (5 p.)
- Jan. 5 JNH to Cushman; London (1 p., 2 f.)
- Jan. 8 JNH to Aunt Isabelle Hall; Folkstone (2 f.)
- Jan. 19 JNH to father; Folkstone (1 f.)
- Jan. 22 JNH to family; England (2 f.)
- Feb. 7 JNH to Cushman; Folkstone (2 f.)
- Feb. 18 JNH to father; Folkstone, England (2 f.)
- Feb. 20 JNH to Greener; St. Martin's Plain, Kent. (1 f.)
- Mar. 1 JNH to mother; Aldershot. (1 f.)
- Mar. 2 JNH to mother; Aldershot. (1 f.)
- Mar. 7 JNH to mother; Aldershot.(1 f.)
- Mar. 8 JNH to mother; London. (2 f.)
- Mar. 14 JNH to mother; London. (1 f.)
- Mar. 15 JNH to mother; Aldershot. (2 f.)
- Mar. 24 JNH to Cushman; Aldershot. (3 p., 11 photos)
- Mar. 25 JNH to family; Aldershot. (2 p.)
- Apr. 12 JNH to mother; London. (1 p.)
- Apr. 17 JNH to Cushman; London. (1 f.)
- Apr. 20 JNH to mother; Aldershot. (1 f.)
- May 1 JNH to Cushman; Aldershot. (1 f.)
- May 2 JNH to family; Aldershot. (2 f.)
- May 10 JNH to Aunt Dizzie; Aldershot. (1 f.)
- May 11 JNH to Aunt Dizzie; Aldershot. (1 f.)
- May 15 JNH to Cushman; Aldershot. (1 f.)
- May 17 JNH to mother; Aldershot. (1 p.)
- JNH to Cushman; Aldershot. (1 p.)
- May 20 JNH to Cushman; Aldershot. (1 p. & enclosure)
- May 21 JNH to family; Aldershot. (2 p.)
August-December 1914
1914
- Aug. ? JNH to Cushman; London. (2d page of letter)
- Aug. ? JNH to Parents; England.
- Aug. 6 JNH to Parents; London.
- Aug. 8 Cushman to JNH; Boston, Mass. (2 f.)
- Aug. 17 JNH to father; London.
- Aug. 19 JNH to Cushman; London. (letter, 3 f.)
- Aug. 27-8 JNH to Cushman; Colchester, Eng. (letter, 1 p.)
- Sep. 19 JNH to Cushman; London. (2d page of letter)
- Sep. 22 JNH to Cushman; Colchester. (2 photos)
- Sep. 23 JNH to parents; England. (letter, 4 p.)
- Oct. 16 JNH to sister Dorothy; Folkstone, England. (4 p.)
- Oct. 25 JNH to family; England. (1 f.)
- Oct. 31 JNH to family; England. (1 p.)
- JNH to Cushman; England (1 f.)
- Nov. 7 JNH to family; England. (2 f.)
- Nov. 13 JNH to family; England. (2 f.)
- Nov. 22 JNH to family; England (1 f.)
- Nov. 28 JNH to Cushman; Folkstone. (2 f.)
- Dec. 21 JNH to Miss Isabelle Hall (Aunt Dizzie); England. (3 f.)
- Dec. 25 JNH to family; England. (2 f.)
- Dec. 29 JNH to Cushman; Folkstone, England. (3 f.)
January-June 1914
1914
- Jan. 4 Busha (sister?) to JNH; Colfax, Ia.
- Jan. 23 Marjorie Sutherland; NYC
- Jan. 28 3 recommendations for Harvard scholarship, Main, Noble, Fletcher, and filled out application by JNH.
- Jan. 29 H.W. Hubbard; Paotingfu, China.
- Feb.20 William Rose Benet (Century Magazine); NYC
- Apr. 9 ? Children's Welfare League; Roxbury, Mass.
- Apr. 30 JNH to G.L. Pierce
- June 1 JNH to Jack, Cush & Greener; SS Laconia. (letter, 12 p.)
- June 19 JNH to Cushman; London. (letter, 2 f.)
- June 29 JNH to Cushman; London. (letter, 1 f.)
1913
1913
- Jan. (?) William Ziegler; England
- Jan. 2 H.W. Hubbard; Oberlin, Ohio
- Feb. 9 Marjorie Sutherland; NYC
- Mar. 4 H.W. Hubbard; Oberlin, Ohio
- Mar. 31 Mrs. A.W. Hall; Colfax, Ia.
- May 7 Mrs. A.W. Hall
- May 20 Mrs. A.W. Hall
- May 26 R.H. Fletcher; Grinnell, Ia.
- May 27 William Ziegler; Oxford, England
- Aug. 6 William Ziegler; Goldfield, Il.
- Aug. 15 Jack (Winship?); Somerville, Mass.
- Aug. 25 H.M. Rowell; Long Beach, Cal.
- Sep. 24 Lizzie Davis; Grinnell, Ia.
- Oct. 21 Mary P; Boston, Mass.
- Nov. 11 Mrs. A.W. Hall; Colfax, Ia.
- Nov. 15 The Masses (John Reed); NYC
- Dec. 1 Hugh W. Hubbard; Paotingfu, China (postcard)
- Dec. 6 Mrs. A.W. Hall; Colfax, Ia.
- Dec. 21 Chester Davis; Bozeman, Mont.
- Dec. 30 Mrs. A.W. Hall, Colfax, Ia.
1911-1912
1911
- Jan. 4 Charles M. Holmes, Jr., '10; Chicago, Ill. (postcard)
- Jan. 8 George L. Pierce; Berlin, Germany
- Feb. 19 Marjorie Sutherland; W. Philadelphia, Pa.
- May 11 Marjorie Sutherland; (incomplete)
- Aug. 11 JNH to Greener; Boston (1 f.)
- Aug. 31 JNH to Greener; Fall River, Mass. (3 postcards)
- Sep. 24 Chester Davis; Miles City, Mont.
- Sep. 28 H.W. Hubbard; NYC
- Dec. 18 JNH to Greener; Boston (1 p.)
1912
- Jan. 15 JNH to Greener; Boston (1 f. & enclosure [1 p.])
- Jan. 23 H.W. Hubbard; White Plains, N.Y.
- Feb. 22 H.W. Hubbard; White Plains, N.Y.
- Feb. 23 Chester Davis; Bozeman, Mont.
- Jul. 12 Marjorie Sutherland; Boundbrook, N.J.
- Aug. 11 H.W. Hubbard; Boston, Mass.
- Oct. 27 James E. Stronks; Globe, Ariz.
- Dec. 21 Marjorie Sutherland; NYC
September 1910-December 1910
1910
- Sep. 2 Mort (Morton Clark?); Cedar Rapids, Ia.
- Sep. 6 Mary (Mary Alice Nadler); Winona, Mn.(postcard)
- Sep.10 Chester Davis; Miles City, Mont.
- Sep. 26 Edna Davis; Grinnell, Ia.
- Oct. 3 Florence Orr; Tipton, Ia. (postcard)
- Emory Price; Woodstock, Ia. (postcard)
- Mary (Mary Alice Nadler); Menominee, Wis. (postcard)
- Oct. 4 Gertrude Chapin; Grinnell, Ia. (postcard)
- Oct. 6 Mary (Mary Alice Nadler); Menominee, Wis. (postcard)
- Oct. 9 D.H. Wilson; Champaign, Ill. (postcard)
- Oct. 16 JNH to G.L. Pierce - 2 p.
- Oct. 21 Mary (Mary Alice Nadler); Menominee, Wis. (postcard)
- Oct. 24 H.M. Rowell; Spokane, Wash. (postcard)
- Oct. 30 William Ziegler; Oxford, England
- Nov. 11 Mary (Mary Alice Nadler); Menominee, Wis. (postcard)
- Nov. 15 Mrs. A.W. Hall; Colfax, Ia.
- Nov. 16 Marjorie Sutherland; Philadelphia, Pa.
- Nov. 20 William Ziegler; Oxford, England
- Nov. 24 Mary (Mary Alice Nadler); Menominee, Wis. (postcard)
- Nov. 26 Rachel Harris; Grinnell, Ia.
- Harold Gardner; Baltimore, Md.
- Dec. 4 Busha (sister); Colfax, Ia.
- Dec. 8 Mary (Mary Alice Nadler); Menominee, Wis. (postcard)
- Dec. 11 H. Glenn Kinsley; Brigham, Utah (postcard)
- Dec. 13 J.A. Young; Washington, Ia. (grandfather)
- Dec. 15 William Ziegler; London, Eng. (postcard)
- Dec. 19 H.M. Rowell; Spokane, Wash. (postcard)
- Dec. 20 Mrs. N (adler); Davenport, Ia. (postcard)
- Marjorie Sutherland, Boston, Mass.
- JNH to G.L. Pierce-Christmas card & message
- Dec. 22 Stella Bray; Ames, Ia. (postcard)
- Dorothy Hall (sister); Colfax, Ia. (postcard)
- Marjorie Hall (sister); Colfax, Ia. (postcard)
- Dec. 23 Florence Orr; Shenendoah, Ia. (postcard)
- Dec. 24 D. Wright Wilson; Knoxville, Ia. (postcard)
- Blather (Norman Blatherwick); Grinnell, Ia. (postcard)
- Olga (Hasek); Cedar Rapids, Ia. (postcard)
- Dec. 28 W. Stanley Wells; Grinnell, Ia. (postcard)
- Dec. 31 Marjorie Sutherland; New York, N.Y. (postcard)
- Mary (Mary Alice Nadler); Davenport, Ia. (postcard)