| Letter, to J. P. Brown, Esq. thanks for Firman for oven, from Henry J. Van Lennep | Amerikan Bord Heyeti (American Board) | 1853-09-22 |
| Letter, to H. Baron N. Mollerus, from Henry J. Van Lennep | Amerikan Bord Heyeti (American Board) | 1853-11-04 |
| Letter, to the Henry J. Van Lennep, from Hon. G.D. Marsh | Amerikan Bord Heyeti (American Board) | 1853-09-28 |
| Letter, from James M. Craith to Thomas P. Johnston | Amerikan Bord Heyeti (American Board) | 1852-04-18 |
| Letter, to Harrison G.O. Dwight, from Benjamin Barker | Amerikan Bord Heyeti (American Board) | 1854-09-21 |
| Letter, from Trübner & Co, request for Publication | Amerikan Bord Heyeti (American Board) | 1854-10-04 |
| Letter, to M.H. Knolleke, from the C.G. Young | Amerikan Bord Heyeti (American Board) | 1853-12-10 |
| Letter, to the Henry J. Van Lennep | Amerikan Bord Heyeti (American Board) | 1853-07-09 |
| Letter, to the Prudential Committee of the American Board, from the Committee on the Pera Church Building Fund | Amerikan Bord Heyeti (American Board) | 1889-02-19 |
| Letter, to James L. Barton, from William S. Dodd, M.C. Dodd, H.M. Post, A.S. Post | Amerikan Bord Heyeti (American Board) | 1908-12-24 |
