| Letter, to Henry J. Van Lennep, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1858-08-02 |
| Letter, to Prof. Mitchell, St. Andrews (transfer of Greek Mission to Scotch Church) | Amerikan Bord Heyeti (American Board) | 1858-06-17 |
| Letter, to Tillman C. Trowbridge, from Andrew T. Pratt | Amerikan Bord Heyeti (American Board) | 1858-05-15 |
| Letter, to Mr. B. Barker, from S.B. Bergne | Amerikan Bord Heyeti (American Board) | 1858-04-29 |
| Letter, to Tillman C. Trowbridge, from Sanford Richardson | Amerikan Bord Heyeti (American Board) | 1858-04-23 |
| Letter, to Tillman C. Trowbridge, from Andrew T. Pratt | Amerikan Bord Heyeti (American Board) | 1858-04-01 |
| Letter, to Tillman C. Trowbridge, from Wilson A. Farnsworth | Amerikan Bord Heyeti (American Board) | 1858-03-12 |
| Letter, to the Committee ad Interim, from Henry J. Van Lennep (Mr. Van Lennep's resignation) | Amerikan Bord Heyeti (American Board) | 1858-03-05 |
| Letter, to the Committee ad Interim, from Andrew T. Pratt | Amerikan Bord Heyeti (American Board) | 1857-12-24 |
| Letter, to the Committee ad Interim, from Edward Dodd | Amerikan Bord Heyeti (American Board) | 1857-04-12 |
| Letter, to E. Riggs, from Benjamin Parsons, application for extra grant | Amerikan Bord Heyeti (American Board) | 1855-12-02 |
| Letter, to the Committe ad Interim, from Dr. Pratt | Amerikan Bord Heyeti (American Board) | 1856-04-10 |
 | Letter, to the Cesarea Station, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1856-02-21 |
| Letter, to the stations Tocat, Sivas and Cesarea, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1856-02-06 |
| Letter, to the Committee ad Interim, from Philander O. Powers | Amerikan Bord Heyeti (American Board) | 1856-02-05 |
| Letter, to the Committee ad Interim, from Edwin E. Bliss | Amerikan Bord Heyeti (American Board) | 1856-01-21 |
| Letter, to Henry J. Van Lennep, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1856-01-08 |
| Letter, to E. Riggs, from Justin W. Parsons | Amerikan Bord Heyeti (American Board) | 1855-02-08 |
| Letter, to E. Riggs, from H. B. Morgan | Amerikan Bord Heyeti (American Board) | 1855-02-07 |
| Letter, to Jasper N. Ball, from E. Riggs | Amerikan Bord Heyeti (American Board) | 1855-01-12 |