 | 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 |
 | Letter, to Theodore A. Baldwin, from the Imperial Ottoman Bank Director | Amerikan Bord Heyeti (American Board) | 1879-08-06 |
| Letter, to William Goodell, from Henry Hill | Amerikan Bord Heyeti (American Board) | 1844-10-28 |
| Letter, to William Goodell, from Henry Hill | Amerikan Bord Heyeti (American Board) | 1842-10-13 |
| Letter, to William Goodell, from Henry Hill | Amerikan Bord Heyeti (American Board) | 1844-05-31 |
| Letter, to William Goodell, from Henry Hill | Amerikan Bord Heyeti (American Board) | 1843-10-04 |
