| Letter, to Rufus Anderson, ABCFM, from Herman N. Barnum, A.G. Dwight and Julius Y. Leonard | Amerikan Bord Heyeti (American Board) | 1859-06-23 |
| Document, sermon preached before the Northern Armenian Mission, 1859 Jun | Amerikan Bord Heyeti (American Board) | 1859-06 |
| Report, Narrative of a tour made in company of Theodore L. Byington in European Turkey, 1859 Sep-Oct, by Elias Riggs | Amerikan Bord Heyeti (American Board) | 1859-10-25 |
| Report, Printing at Constantinople in 1859 | Amerikan Bord Heyeti (American Board) | 1857; 1859 |
| Letter, to Tillman C. Trowbridge, from Fayette Jewett | Amerikan Bord Heyeti (American Board) | 1859-11-18 |
| 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 |
| Circular letter, Circular from Herman N. Barnum, Secretary, Harpoot Station | Amerikan Bord Heyeti (American Board) | 1859-07-28 |
| Letter, to the Committee ad Interim, from Wilson A. Farnsworth | Amerikan Bord Heyeti (American Board) | 1859-09-09 |
