| Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1877-09-18 |
 | Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1877-08-01 |
| Letter, to Theodore A. Baldwin, from Mary E. Mahan | Amerikan Bord Heyeti (American Board) | 1877-09-05 |
| Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1877-12-11 |
 | Letter, to Theodore A. Baldwin, from Giles F. Montgomery | Amerikan Bord Heyeti (American Board) | 1877-12-14 |
| Letter, to Theodore A. Baldwin, from Orson P. Allen | Amerikan Bord Heyeti (American Board) | 1877-11-23 |
| Letter, to Theodore A. Baldwin, from George C. Knapp | Amerikan Bord Heyeti (American Board) | 1877-08-06 |
 | Letter, to Theodore A. Baldwin, from John F. Smith | Amerikan Bord Heyeti (American Board) | 1877-11-06 |
 | Letter, to Theodore A. Baldwin, from S. Stanten | Amerikan Bord Heyeti (American Board) | 1877-11-23 |
| Document, Fred Field Goodsell, G.H. Huntington, Christian Workers' Union, notice of meetings | Amerikan Bord Heyeti (American Board) | 1922; 1924 |
