| Letter, to the Rufus Anderson, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1859-07-25 |
| Report, to the Rufus Anderson, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1859-11-28 |
| Letter, to the Rufus Anderson, from Henry Venn | Amerikan Bord Heyeti (American Board) | 1858-03-02 |
 | Letter, to the Rufus Anderson | Amerikan Bord Heyeti (American Board) | 1862-04-09 |
 | Letter, to Charles T. Riggs, from Fred F. Goodsell | Amerikan Bord Heyeti (American Board) | 1911-04-29 |
| Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1911-02-02 |
| Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1910-10-03 |
 | Letter, to Charles T. Riggs, from Robert Chambers | Amerikan Bord Heyeti (American Board) | 1910-09-19 |
| Letter, to Theodore A. Baldwin, from Henry Lee Norris Jr., the Central Turkey College, Aintab | Amerikan Bord Heyeti (American Board) | 1877-03-12 |
 | Letter, to Theodore A. Baldwin, from Henry Lee Norris Jr., the Central Turkey College, Aintab | Amerikan Bord Heyeti (American Board) | 1877-04-09 |
