| Letter, to George F. Herrick, Constantinople, from James P. McNaughton | Amerikan Bord Heyeti (American Board) | 1898-11-30 |
 | Letter, to George F. Herrick, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1899-12-22 |
 | Letter, to Committee ad Interim, from Lyman Bartlett | Amerikan Bord Heyeti (American Board) | 1899-12-18 |
 | Letter, to George F. Herrick, from H. T. Perry | Amerikan Bord Heyeti (American Board) | 1898-04-10 |
| Letter, to the Members of the Prudential Comm. of the ABCFM, from Wilson A. Farnsworth and A.W. Hubbard | Amerikan Bord Heyeti (American Board) | 1888-05-22 |
| Letter, to Secretary American Tract Society, New York, from Edward Riggs and John E. Pierce | Amerikan Bord Heyeti (American Board) | 1889-07-22 |
| Letter, to Secretary, American Tract Society, from Edwin E. Bliss and T. R. Sampson | Amerikan Bord Heyeti (American Board) | 1888-05-19 |
| Letter, to Secretary, Religious Tract Society, London, from James W. Seelye | Amerikan Bord Heyeti (American Board) | 1888-05-21 |
| Letter, to Committee ad Interim, Western Turkey Mission Mission, from Charles C. Tracy and Edward Riggs | Amerikan Bord Heyeti (American Board) | 1884-02-26 |
| Letter, to the missionaries in Sivas Station and to the Prudential Committee Board, from Kevork T. Demoorjian | Amerikan Bord Heyeti (American Board) | 1890-11-04 |
