 | Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1912-07-13 |
| Letter, to Charles T. Riggs, from Ralph S. Harlow | Amerikan Bord Heyeti (American Board) | 1912-07-10 |
 | Letter, to the Bithynia Union of Evangelical Churches | Amerikan Bord Heyeti (American Board) | 1912-04-13 |
| Letter, to the James L. Barton, from Theodore A.Elmer | Amerikan Bord Heyeti (American Board) | 1911-08-09 |
| Letter, to Charles T. Riggs, from Mary C. Fowle | Amerikan Bord Heyeti (American Board) | 1911-07-26 |
 | Letter, to Charles T. Riggs, from Ernest C. Pye | Amerikan Bord Heyeti (American Board) | 1911-07-01 |
 | Telegram, from Charles H. Holbrook | Amerikan Bord Heyeti (American Board) | 0000-06-21 |
 | Letter, to Charles T. Riggs, from H.S. Alexacian | Amerikan Bord Heyeti (American Board) | 1911-06-26 |
 | Letter, to Charles T. Riggs, from William E. Ward | Amerikan Bord Heyeti (American Board) | 1911-05-20 |
| Letter, to Charles T. Riggs, from Arthur C. Ryan | Amerikan Bord Heyeti (American Board) | 1911-04-15 |
| Letter, to the Committee ad Interim and the Prudential Committee, from Dana K. Getchell | Amerikan Bord Heyeti (American Board) | 1911-03-17 |
| Letter, to ABCFM, Constantinople, from F.M. Stead | Amerikan Bord Heyeti (American Board) | 1911-03-11 |
| Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1911-03-08 |
| Telegram, to Charles T. Riggs | Amerikan Bord Heyeti (American Board) | 1911-02-24 |
 | Letter, to Charles T. Riggs, from T.F. Barker | Amerikan Bord Heyeti (American Board) | 1910-11-16 |
| Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1910-10-17 |
| Letter, to Fred F. Goodsell, from D. H. Koundakjian | Amerikan Bord Heyeti (American Board) | 1910-06-27 |
| Letter, to Joseph K. Greene, from Lyndon S. Crawford | Amerikan Bord Heyeti (American Board) | 1910-05-26 |
 | Letter, to Joseph K. Greene, from Henry T. Perry | Amerikan Bord Heyeti (American Board) | 1910-05-24 |
 | Letter, to Joseph K. Greene, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1910-05-20 |