| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1876-03-10 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1876-10-19 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1877-12-21 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1877-11-23 |
| Letter, to N.G. Clark, from Harrison G.O. Dwight | Amerikan Bord Heyeti (American Board) | 1878-09-26 |
| Letter, to N.G. Clark, from George W. Wood | Amerikan Bord Heyeti (American Board) | 1873-11-13 |
 | Extract, from letter to G.V.C. Merriam, Springfield, of Isaac G. Bliss | Amerikan Bord Heyeti (American Board) | 1876-11-09 |
| Letter, to Theodore A. Baldwin, from Wilson A. Farnsworth | Amerikan Bord Heyeti (American Board) | 1876-11-22 |
 | Letter, to Theodore A. Baldwin, from Justin W. Parsons | Amerikan Bord Heyeti (American Board) | 1877-01-16 |
| Letter, to Theodore A. Baldwin, from Marcellus Bowen | Amerikan Bord Heyeti (American Board) | 1876-12-01 |
