| Letter, to Tillman C. Trowbridge, from Benjamin Parsons | Amerikan Bord Heyeti (American Board) | 1858-01-26 |
| Letter, to Tillman C. Trowbridge, from Crosby H. Wheeler | Amerikan Bord Heyeti (American Board) | 1858-01-09 |
| Letter, to the Committee ad Interim, from Benjamin Parsons | Amerikan Bord Heyeti (American Board) | 1856-09-16 |
| Letter, to Tillman C. Trowbridge, from Fayette Jewett | Amerikan Bord Heyeti (American Board) | 1857-09-22 |
| Letter, from W. Clark | Amerikan Bord Heyeti (American Board) | 1857-02-09 |
| Letter, to Harrison G.O. Dwight, from William W. Meriam and Theodore L. Byington | Amerikan Bord Heyeti (American Board) | 1859-04-28 |
| Letter sent from Smyrna to Brethren (?) on the arrival of Messieurs Meriam and Green and their wives. | Amerikan Bord Heyeti (American Board) | 1859-02-24 |
| Letter, to the Adrianople Station, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1859-03-14 |
| Letter, to Harrison G.O. Dwight, from Oliver W. Winchester | Amerikan Bord Heyeti (American Board) | 1858-12-20 |
| Circular letter, Circular from Herman N. Barnum, Secretary, Harpoot Station | Amerikan Bord Heyeti (American Board) | 1859-07-28 |
