| Letter, to Tillman C. Trowbridge, from Charles F. Morse, Tabular view of Sophia Station | Amerikan Bord Heyeti (American Board) | 1865-01-06 |
| Letter, to Brethren of the Sivas Station, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1865-01-23 |
| Letter, to Tillman C. Trowbridge, from Oliver W. Winchester | Amerikan Bord Heyeti (American Board) | 1864-08-01 |
| Letter, to Oliver W. Winchester, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1864-11-29 |
| Letter, to Ira F. Pettibone, from Herman N. Barnum | Amerikan Bord Heyeti (American Board) | 1864-08-02 |
| Letter, to Tillman C. Trowbridge, from S.M. Miasian | Amerikan Bord Heyeti (American Board) | 1864-12-03 |
| Letter, to Tillman C. Trowbridge, from Andrew T. Pratt | Amerikan Bord Heyeti (American Board) | 1864-08-31 |
| Letter, to Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1864-10-18 |
| Letter, from Bogos Agopian | Amerikan Bord Heyeti (American Board) | 1864-08-23 |
| Letter, from the Delegates of the Native churches to Annual Meeting and reply, from Elias Riggs and I.F. Pettibone | Amerikan Bord Heyeti (American Board) | 1859-06-17 |
