| File G: Letters regarding Luther R. Fowle and Farnsworth Fowle | Amerikan Bord Heyeti (American Board) | 1939-11-18; 1942-01-27 |
| File HA-HE: Miscellaneous correspondence on administrative matters | Amerikan Bord Heyeti (American Board) | 1941-11-27; 1942-09-21 |
| File HI-HY: Correspondences of Luther R. Fowle | Amerikan Bord Heyeti (American Board) | 1942-04-07; 1942-12-11 |
| File P: Miscellaneous correspondence (1944-1945) | Amerikan Bord Heyeti (American Board) | 1944-01-05; 1945-12-17 |
| File R: Letter, from Elvesta T. Leslie, to S. Ruben | Amerikan Bord Heyeti (American Board) | 1945-05-30 |
| Istanbul (1944-1946) | Amerikan Bord Heyeti (American Board) | 1944-05-03; 1946 |
| Letter to George Washburn | Amerikan Bord Heyeti (American Board) | 1864-11-05 |
| Letter to Pettibone | Amerikan Bord Heyeti (American Board) | 1869-08-04 |
| Letter to Rev. E. M. Dodd | Amerikan Bord Heyeti (American Board) | 1864-03-19 |
 | Letter, to American Mission., from R. Cuiton | Amerikan Bord Heyeti (American Board) | 1878-02-25; 1878-02-27 |
 | Letter, to Charles T. Riggs, from A.T. Daghlian, Anatolia College | Amerikan Bord Heyeti (American Board) | 1912-05-01 |
 | Letter, to Charles T. Riggs, from Charles C. Tracy, Anatolia College | Amerikan Bord Heyeti (American Board) | 1912-05-22 |
 | Letter, to Charles T. Riggs, from Charlotte R. Willard | Amerikan Bord Heyeti (American Board) | 1912-02-24 |
| Letter, to Charles T. Riggs, from Dana K. Getchell | Amerikan Bord Heyeti (American Board) | 1911-05-19 |
 | Letter, to Charles T. Riggs, from Emily M. McCallum | Amerikan Bord Heyeti (American Board) | 1912-06-14 |
 | Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1912-03-02 |
| Letter, to Charles T. Riggs, from H. T. Perry | Amerikan Bord Heyeti (American Board) | 1910-10-22 |
| Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1912-01-27 |
 | Letter, to Charles T. Riggs, from S.W. Gentle Cackett | Amerikan Bord Heyeti (American Board) | 1912-04-29 |
 | Letter, to Henry Hill, from Charles Ede | Amerikan Bord Heyeti (American Board) | 1839-08-17 |
