 | Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1877-08-09 |
| Letter, to Theodore A. Baldwin, from Americus Fuller | Amerikan Bord Heyeti (American Board) | 1877-04-17 |
| Letter, to Ira F. Pettibone from Americus Fuller | Amerikan Bord Heyeti (American Board) | 1880-05-05 |
 | Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1878-06-04 |
 | Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1878-08-20 |
| Letter, to Theodore A. Baldwin, from Myra A. Proctor | Amerikan Bord Heyeti (American Board) | 1878-07-30 |
| Letter, to William W. Peet, from John E. Merrill | Amerikan Bord Heyeti (American Board) | 1907-12-07 |
| Letter, to Theodore A. Baldwin, from Ellen M. Pierce | Amerikan Bord Heyeti (American Board) | 1877-03-27 |
| Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1878-03-05 |
| Letter, to Fred F. Goodsell, from D. H. Koundakjian | Amerikan Bord Heyeti (American Board) | 1910-06-27 |
