| Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1877-07-12 |
 | Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1877-06-25 |
| Letter, to Theodore A. Baldwin, from Jennie H. Perry | Amerikan Bord Heyeti (American Board) | 1877-06-08 |
| Letter, to Theodore A. Baldwin, from James F. Clarke | Amerikan Bord Heyeti (American Board) | 1877-06-28 |
| Letter, to Theodore A. Baldwin, from Henry S. Barnum | Amerikan Bord Heyeti (American Board) | 1877-06-14 |
| Letter, to Theodore A. Baldwin, from Jennie H. Perry | Amerikan Bord Heyeti (American Board) | 1877-05-16 |
 | Letter, to Theodore A. Baldwin, from J.M. Gordon | Amerikan Bord Heyeti (American Board) | 1877-05-17 |
| Letter, to the Committee ad Interim, Northern Armenian Mission, from Julius Y. Leonard | Amerikan Bord Heyeti (American Board) | 1860-07-10 |
| Letter, to the Committee ad Interim, from Oliver Crane, Adrianople Station | Amerikan Bord Heyeti (American Board) | 1861-06-21 |
| Letter, to the members of the Sophia Station, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1863-07-14 |
