| Letter, to the Committee ad Interim, from George F. Herrick | Amerikan Bord Heyeti (American Board) | 1860-02-27 |
| Letter, to Ira F. Pettibone, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1860-01-30 |
| Letter, to the Committee ad Interim, from Oliver Crane | Amerikan Bord Heyeti (American Board) | 1860-10-23 |
| Letter, to the Committee ad Interim, from Jasper N. Ball | Amerikan Bord Heyeti (American Board) | 1860-09-05 |
| Letter, to Dr. Anderson, from Elias Riggs | Amerikan Bord Heyeti (American Board) | 1860-09-25 |
| Letter, from Edward M. Dodd | Amerikan Bord Heyeti (American Board) | 1861-05-15 |
| Letter, from Edward M. Dodd | Amerikan Bord Heyeti (American Board) | 1860-09-01 |
 | Letter, from Henry S. West | Amerikan Bord Heyeti (American Board) | 1860-05-10 |
| Letter, Pastor Der Stephanian of Rodosto writing about matters in the Dardanelles and Rodosto and wishing that Dr. Greene and Pastor Schmavnian would make a trip to Rodosto, December 23, 1889 | Amerikan Bord Heyeti (American Board) | 1889-12-23 |
| Letter, to the Northern Armenian Mission, from Yozgat on the subject of Baptism, by Jasper N. Ball and Fayette Jewett | Amerikan Bord Heyeti (American Board) | 1859-04-22 |
