| Letter, to W.A. Hallock, Secretary, the American Tract Society (New York, N.Y.), from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1859-09-16 |
| Letter, to Harrison G.O. Dwight, from Julius Y. Leonard and Wilson A. Farnsworth | Amerikan Bord Heyeti (American Board) | 1859-03-26 |
| Letter, to Harrison G.O. Dwight, from Jasper N. Ball | Amerikan Bord Heyeti (American Board) | 1858-12-02 |
| Letter, to Richardson and Bliss, from Wilson A. Farnsworth | Amerikan Bord Heyeti (American Board) | 1859-05-26 |
| Letter, to the Committee ad Interim, from Benjamin Parsons | Amerikan Bord Heyeti (American Board) | 1859-09-19 |
| Letter, from the Rodosto church to the mission, to the Council of Rev. Missionaries, to Mr. Peabody, Constantinople | Amerikan Bord Heyeti (American Board) | 1857-05-15 |
| Letter, from Tocat Station, Henry J. Van Lennep, Alexander R. Plumer | Amerikan Bord Heyeti (American Board) | 1857 |
| Letter, to Harrison G.O. Dwight, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1857-02-21 |
| Letter, to Tillman C. Trowbridge, from Jackson G. Coffing | Amerikan Bord Heyeti (American Board) | 1858-03-11 |
| Letter, to the Constantinople Station, from Justin W. Parsons | Amerikan Bord Heyeti (American Board) | 1858-01-10 |
