| Letter, to Foreign Missions of United Presbyterian Ch., Scotland, from Rufus Anderson, Secretary ABCFM Printed | Amerikan Bord Heyeti (American Board) | 1860-06-04 |
| Letter, to Pastors and members of Evangelical Churches in Turkey, from Brethren Riggs, Farnsworth, Marden, Barnum and Wood | Amerikan Bord Heyeti (American Board) | 1883-05-28 |
| Letter from Antonio (?) Giuliani to his wife Beatrice Giuliani concerning family matters. | - | 1878-09-04 |
| Letter, to Rev. Bergne of British and Foreign Bible Society, from Henry C. Haskell, Joseph Greene and George Washburn | Amerikan Bord Heyeti (American Board) | 1866-06-01 |
| Letter, to the ABCFM, from Tilllman C. Trowbridge, Justin W. Parsons and Edwin E. Bliss | Amerikan Bord Heyeti (American Board) | 1865-05-27 |
| Letter, to Rev. Henry Jones of the Turkish Missionary Aid Society , from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1865-05-31 |
| Letter, to Secretary of American Tract Society, New York, from Theodore L. Byington | Amerikan Bord Heyeti (American Board) | 1867-05-27 |
| Letter, to Rev. Judson Smith, D.D. at Mission House, from Chas. H. Brooks James L. Fowle and William F. English | Amerikan Bord Heyeti (American Board) | 1890-06-01 |
| Letter, to Secretary Religious Tract Society, London, from M. Bowen | Amerikan Bord Heyeti (American Board) | 1891-06-08 |
| Letter, to Rev. Judson Smith, from Ira F. Pettibone | Amerikan Bord Heyeti (American Board) | 1890-11-11 |
