| Letter, to Richard Lovett, Secretary, Religious Tract Society, from Susan W. Orvis and Charles T. Riggs | Amerikan Bord Heyeti (American Board) | 1903-04-18 |
| Letter, to American Tract Society, New York, from Claribel Platt and Henry S. Barnum | Amerikan Bord Heyeti (American Board) | 1903-04-20 |
| Letter, to John W. Scott, from Mabel E. Emerson | Amerikan Bord Heyeti (American Board) | 1937-06-10 |
| Letter, to Charles T. Riggs, from Etta C. Doane Marden | Amerikan Bord Heyeti (American Board) | 1913 |
| Letter, to the Committee ad Interim and Rev. Charles Riggs, from the Armenian Girls' High School in Adabazar | Amerikan Bord Heyeti (American Board) | 1911-04-18 |
 | Invitation, from Kevork T. Demirjian to J. K. Greene, for the annual meeting | Amerikan Bord Heyeti (American Board) | 1910-01-09 |
| Letter, to G.L. Shearer, Secretary, American Tract Society, New York (N.Y.), from Lillian F. Cole and Lyndon S. Crawford | Amerikan Bord Heyeti (American Board) | 1904-05-24 |
| Letter, to A.R. Buckland, Religious Tract Society, London (England), from Rebecca G. McNaughton and Dana K. Getchell | Amerikan Bord Heyeti (American Board) | 1905-05-04 |
| Letter, to Judson Smith, Congregational House, Boston (Mass.), from Stella N. Loughridge and Charles T. Riggs | Amerikan Bord Heyeti (American Board) | 1905 |
| Letter, to Herman H. Kreider, Secretary, Near East Mission, from Mabel E. Emerson | Amerikan Bord Heyeti (American Board) | 1936-01-04 |
