| Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1912-08-26 |
 | Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1912-03-07 |
 | Letter, to William W. Peet, from Ernest Pye | Amerikan Bord Heyeti (American Board) | 1912-07-27 |
| Letter, to Theodore A. Baldwin, from Jennie H. Perry | Amerikan Bord Heyeti (American Board) | 1877-12; 1878-05-21 |
| Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1877-10-09 |
| Letter, to Theodore A. Baldwin, from Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1877-11-21 |
| Letter, to Theodore A. Baldwin, from Moses P. Parmelee | Amerikan Bord Heyeti (American Board) | 1877-12-10 |
 | Letter, to Theodore A. Baldwin, from Julius Y. Leonard | Amerikan Bord Heyeti (American Board) | 1877-08-11 |
| Letter, to Theodore A. Baldwin, from Orson P. Allen | Amerikan Bord Heyeti (American Board) | 1877-10-27 |
| Letter, to Theodore A. Baldwin, from George C. Knapp | Amerikan Bord Heyeti (American Board) | 1877-11-16 |
