| Letter, to Charles T. Riggs, from Mary C. Fowle | Amerikan Bord Heyeti (American Board) | 1911-07-26 |
| 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 William W. Peet, from R.L. Allen | Amerikan Bord Heyeti (American Board) | 1911-01-17 |
| Letter, to Committee ad Interim, from Dana K. Getchell | Amerikan Bord Heyeti (American Board) | 1910-11-22 |
 | Letter, to Joseph K. Greene, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1910-05-21 |
| Letter, to Charles T. Riggs, from Robert Chambers | Amerikan Bord Heyeti (American Board) | 1910-10-05 |
 | Letter, to Charles T. Riggs, from D. H. Kanndakjian | Amerikan Bord Heyeti (American Board) | 1910-10-20 |
 | Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1911-01-03 |
