| Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1912-10-11 |
| Letter, to Charles T. Riggs, from Henry K. Wingate | Amerikan Bord Heyeti (American Board) | 1911-05-10 |
| Letter, to Charles T. Riggs, from James P. McNaughton | Amerikan Bord Heyeti (American Board) | 1911-04-29 |
 | Letter, to Charles T. Riggs, from James P. McNaughton | Amerikan Bord Heyeti (American Board) | 1911-05-05 |
 | Letter, to Charles T. Riggs, from James R. Brewster | Amerikan Bord Heyeti (American Board) | 1913-03-07 |
 | Letter, to Charles T. Riggs, from Kate G. Lamson | Amerikan Bord Heyeti (American Board) | 1911-09-05 |
| Letter, to Charles T. Riggs, from Robert Chambers | Amerikan Bord Heyeti (American Board) | 1913-04-04 |
 | Letter, to Charles T. Riggs, from Theodore A.Elmer | Amerikan Bord Heyeti (American Board) | 1911-07-26 |
 | Letter, to Charles T. Riggs, from Theodore A.Elmer | Amerikan Bord Heyeti (American Board) | 1911-11-11 |
 | Letter, to Committee ad Interim, from Reshad Seid | Amerikan Bord Heyeti (American Board) | 1913-04-24 |
| Letter, to Joseph K. Greene, from Laura Farnham | Amerikan Bord Heyeti (American Board) | 1910-05-07 |
 | Letter, to Joseph K. Greene, from Lyndon S. Crawford | Amerikan Bord Heyeti (American Board) | 1910-05-28 |
| Letter, to Mabel E. Emerson, Boston (Mass.) | Amerikan Bord Heyeti (American Board) | 1936-04-10 |
| Letter, to Mabel E. Emerson, Boston (Mass.), from Luther R. Fowle, Treasurer | Amerikan Bord Heyeti (American Board) | 1936-05-12 |
| Letter, to Mabel E. Emerson, Boston (Mass.), from Luther R. Fowle, Treasurer | Amerikan Bord Heyeti (American Board) | 1936-02-06 |
| Letter, to the Committee ad Interim, from Edward M. Dodd | Amerikan Bord Heyeti (American Board) | 1855 |
| Letter, to William Goodell, from Henry Hill | Amerikan Bord Heyeti (American Board) | 1840-03-18 |
| Letter, to William Goodell, from Henry Hill | Amerikan Bord Heyeti (American Board) | 1840-12-02 |
| Letter, to William W. Peet, from Elizabeth S. Webb | Amerikan Bord Heyeti (American Board) | 1912-03-06 |
| Memorandum, from Mr. Dwight for the Station | Amerikan Bord Heyeti (American Board) | 1856 |
