| Letter, the Langa church's request of an appropriation to rent a house and equip it for worship | Amerikan Bord Heyeti (American Board) | 1889-12-04; 1889-11-22 |
| Documents for the mission files (July 1910-July 1911); the constitution of Bardizag High School | Amerikan Bord Heyeti (American Board) | 1910-07; 1911-07 |
| Letter, Pastor Der Stepanian to Dr. Greene, reporting on his work and school affairs in the Dardanelles and Rodosto. | Amerikan Bord Heyeti (American Board) | 1889-12-11 |
| Letter, from Unia, for a preacher | Amerikan Bord Heyeti (American Board) | 1857-02-18 |
| Letter, to Secretary, Religious Tract Society, London, from Oliver W. Winchester, William Goodell and Wilson A. Farnsworth | Amerikan Bord Heyeti (American Board) | 1864-06-09 |
| Report, Cesarea Station, 1862-1863, by Wilson A. Farnsworth | Amerikan Bord Heyeti (American Board) | 1863-04-25 |
| Report, Broosa Station, 1863-1864, by Joseph K. Greene | Amerikan Bord Heyeti (American Board) | 1864-05 |
| Report, Committee on the State of the Country gives seven resolutions | Amerikan Bord Heyeti (American Board) | 1863 |
| Report, Adrianople Station, 1863 May 15, by Oliver Crane | Amerikan Bord Heyeti (American Board) | 1863 |
| Report, Committee on Bulgarian Schools, by Cyrus Hamlin | Amerikan Bord Heyeti (American Board) | 1862 |
