| Letter, to the mission, from Mr. Crane | Amerikan Bord Heyeti (American Board) | 1851-05-06 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight (letter on Consular agencies to Mission House) | Amerikan Bord Heyeti (American Board) | 1876-02-18 |
| Letter, to the Rufus Anderson, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1865-07-01 |
| Letter, to the Rufus Anderson, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1863-07-10 |
| Letter, to N.G. Clark, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1866-04-20 |
| Letter, to the Rufus Anderson, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1864-10-04 |
| Letter, to the Rufus Anderson, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1864-04-14 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1876-02-29 |
| Letter, to S.B. Treat, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1863-09-02 |
| Letter, to N.G. Clark | Amerikan Bord Heyeti (American Board) | 1876-10-17 |
