 | Letter, to Charles T. Riggs, from Lyndon S. Crawford | Amerikan Bord Heyeti (American Board) | 1913-02-13 |
 | Letter, to Charles T. Riggs, from Lyndon S. Crawford | Amerikan Bord Heyeti (American Board) | 1913-05-10 |
 | Letter, to Charles T. Riggs, from Lyndon S. Crawford | Amerikan Bord Heyeti (American Board) | 1913-02-22 |
| Letter, to Charles T. Riggs, from Mary E. Kinney | Amerikan Bord Heyeti (American Board) | 1911-04-12 |
 | Letter, to Charles T. Riggs, from Mrs.R. B. Cherrington | Amerikan Bord Heyeti (American Board) | 1911-08-08 |
| Letter, to Charles T. Riggs, from Ralph S. Harlow | Amerikan Bord Heyeti (American Board) | 1912-07-10 |
 | Letter, to Charles T. Riggs, from S.W. Gentle Cackett | Amerikan Bord Heyeti (American Board) | 1912-04-29 |
| Letter, to Charles T. Riggs, from Stella Loughridge | Amerikan Bord Heyeti (American Board) | 1911-06-26 |
| Letter, to Charles T. Riggs, from Theodore A.Elmer | Amerikan Bord Heyeti (American Board) | 1911-06-30 |
 | Letter, to Charles T. Riggs, from Theodore A.Elmer | Amerikan Bord Heyeti (American Board) | 1911-07-26 |
 | Letter, to Charles T. Riggs, from Theodore A.Elmer | Amerikan Bord Heyeti (American Board) | 1912-02-24 |
 | Letter, to Charles T. Riggs, from William E. Ward | Amerikan Bord Heyeti (American Board) | 1911-05-20 |
| Letter, to Henry O. Dwight, from British Embassy | Amerikan Bord Heyeti (American Board) | 1896-10-26 |
| Letter, to Ira F. Pettibone, from [Hagopos Djedjiniyan] | Amerikan Bord Heyeti (American Board) | 1884-05-19 |
| Letter, to Ira F. Pettibone, from Hagopos Djedjiniyan ? | Amerikan Bord Heyeti (American Board) | 1884-05-19 |
| Letter, to Joseph K. Greene, from Lyndon S. Crawford | Amerikan Bord Heyeti (American Board) | 1910-05-26 |
| Letter, to Mabel E. Emerson, Boston (Mass.), from Luther R. Fowle | Amerikan Bord Heyeti (American Board) | 1936-04-14 |
 | Letter, to Mabel E. Emerson, Boston (Mass.), from Luther R. Fowle, Treasurer | Amerikan Bord Heyeti (American Board) | 1936-01-31 |
| Letter, to Members of the Western Turkey Mission, from Harriet G. Powers | Amerikan Bord Heyeti (American Board) | 1880 |
| Letter, to Miss Gage regarding the YWCA, from the Annual Meeting | Amerikan Bord Heyeti (American Board) | 1913-07-09 |
