| 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 |
| Letter, to Theodore A. Baldwin, from John E. Pierce | Amerikan Bord Heyeti (American Board) | 1876-11-09 |
| Letter, to Theodore A. Baldwin, from John F. Smith | Amerikan Bord Heyeti (American Board) | 1876-11-11 |
| Letter, to Theodore A. Baldwin, from J.M. Gordon | Amerikan Bord Heyeti (American Board) | 1876-12-28 |
| Letter, to R.A. Baldwin, from J. Hampden Jackson | Amerikan Bord Heyeti (American Board) | 1876-09-22 |
| Letter, to R.A. Baldwin, from Marcellus Bowen | Amerikan Bord Heyeti (American Board) | 1876-09 |
| Letter, to W.A. Hallock, Secretary, the American Tract Society (New York, N.Y.), from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1859-09-16 |
| Letter, to Harrison G.O. Dwight, from Julius Y. Leonard and Wilson A. Farnsworth | Amerikan Bord Heyeti (American Board) | 1859-03-26 |
| Circular letter, from Tillman C. Trowbridge, on behalf of the Committee ad Interim | Amerikan Bord Heyeti (American Board) | 1859-08-28 |