| Letter, to Dr. Clark's reply to letter of Aug. 13 on unexpended balances, from the Secretary, Western Turkey Mission | Amerikan Bord Heyeti (American Board) | 1879-09-20 |
| Letter, to Dr. Clark in Theological School at P., from Mr. Haskell (Copy of letter) | Amerikan Bord Heyeti (American Board) | 1869-01-08 |
| Letter, to Judson Smith, from Ira F. Pettibone, William W. Peet | Amerikan Bord Heyeti (American Board) | 1887-12-20 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1886-05-31 |
| Letter, to N.G. Clark, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1866-03-27 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1877-12-06 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1876 |
| Letter, to N.G. Clark, from Benjamin Schneider | Amerikan Bord Heyeti (American Board) | 1874-05-26 |
| Letter, to Theodore A. Baldwin, from Daniel M.B. Thom | Amerikan Bord Heyeti (American Board) | 1878-03-09 |
 | Letter, to Theodore A. Baldwin, from Moses P. Parmelee | Amerikan Bord Heyeti (American Board) | 1878-03-09 |
