| 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 |
| 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) | 1936-05-12 |
| Letter, to Mabel E. Emerson, Boston (Mass.), from Luther R. Fowle, Treasurer | Amerikan Bord Heyeti (American Board) | 1936-03-31 |
 | Letter, to Mabel E. Emerson, Boston (Mass.), from Luther R. Fowle, Treasurer | Amerikan Bord Heyeti (American Board) | 1936-01-31 |
 | Letter, to Theodore A. Baldwin, from A. Stephenson | Amerikan Bord Heyeti (American Board) | 1878-02-13 |
