| Letter, to R. W. Steven, from Dr. A.H. Wright | Amerikan Bord Heyeti (American Board) | 1855-06-14 |
| Letter, to the Committee ad Interim, from Philander O. Powers | Amerikan Bord Heyeti (American Board) | 1855-08-24 |
| Letter, to the E. Riggs, from Dr. Anderson | Amerikan Bord Heyeti (American Board) | 1855-07-06 |
| Letter, at the meeting of the Aintab Station | Amerikan Bord Heyeti (American Board) | 1855-03-07 |
| Letter, from C.G. Young | Amerikan Bord Heyeti (American Board) | 1855-07-11 |
 | Letter, to the Committee ad Interim of the Western Turkey Mission, from Garabed K. Kajayan, Bogos Haroutunian | Amerikan Bord Heyeti (American Board) | 1909-02-04 |
| Letter, to Joseph K. Greene, from Frederick W. MacCallum | Amerikan Bord Heyeti (American Board) | 1909-01-06 |
| Letter, to Joseph K. Greene, from James P. McNaughton | Amerikan Bord Heyeti (American Board) | 1908-04-07 |
 | Letter, to the Committee ad Interim, from Harriet G. Powers | Amerikan Bord Heyeti (American Board) | 1908-04-06 |
| Letter, to William S. Dodd, from James L. Barton | Amerikan Bord Heyeti (American Board) | 1909-02-03 |