| Letter sent by [J.E. Pierce] from London to the American Board in Constantinople on his journey to Constantinople | Amerikan Bord Heyeti (American Board) | 1878-09-24 |
| Letter, extracts of the S.B. Bergne's letter to B. Barker | Amerikan Bord Heyeti (American Board) | 1854-07-25 |
![ABA003202546001.jpg.jpg](/retrieve/6344df62-d2f0-470d-be7f-2cc417ec7257/ABA003202546001.jpg.jpg) | Letter, regarding application to the Committee ad Interim, to Tillman C. Trowbridge | Amerikan Bord Heyeti (American Board) | 1860 |
| Letter, to Charles T. Riggs, from ? | Amerikan Bord Heyeti (American Board) | 1911-02-06 |
| Letter, to Charles T. Riggs, from A.R. Hoover | Amerikan Bord Heyeti (American Board) | 1911-02 |
![ABA004403460001.jpg.jpg](/retrieve/33438e1b-2651-4ea3-b45f-23ff15a155c2/ABA004403460001.jpg.jpg) | Letter, to Charles T. Riggs, from A.R. Hoover | Amerikan Bord Heyeti (American Board) | 1912-07-22 |
![ABA004403447001.jpg.jpg](/retrieve/889f5a3a-1878-4cd2-b4ab-2e18145a3154/ABA004403447001.jpg.jpg) | Letter, to Charles T. Riggs, from A.T. Daghlian, Anatolia College | Amerikan Bord Heyeti (American Board) | 1912-05-01 |
| Letter, to Charles T. Riggs, from A.T. Daghlian, Anatolia College | Amerikan Bord Heyeti (American Board) | 1912-01-20 |
| Letter, to Charles T. Riggs, from A.T. Daghlian, Anatolia College | Amerikan Bord Heyeti (American Board) | 1912-01-03 |
![ABA004403454001.jpg.jpg](/retrieve/2b764b43-3f06-4592-84b0-3d8b11a6096a/ABA004403454001.jpg.jpg) | Letter, to Charles T. Riggs, from Charles C. Tracy, Anatolia College | Amerikan Bord Heyeti (American Board) | 1912-05-22 |
| Letter, to Charles T. Riggs, from Charlette R. Willard | Amerikan Bord Heyeti (American Board) | 1913-01-25 |
![ABA004403445001.jpg.jpg](/retrieve/929d8224-a511-41ad-ac0f-194c31a96d05/ABA004403445001.jpg.jpg) | Letter, to Charles T. Riggs, from Charlotte R. Willard | Amerikan Bord Heyeti (American Board) | 1912-04-20 |
![ABA004403449001.jpg.jpg](/retrieve/bd2eb488-406e-49cc-94b2-2cca842b7beb/ABA004403449001.jpg.jpg) | Letter, to Charles T. Riggs, from Edward F. Carey | Amerikan Bord Heyeti (American Board) | 1912-05-08 |
![ABA004403433001.jpg.jpg](/retrieve/65e11d7b-cecb-407c-9ef6-ba362e372239/ABA004403433001.jpg.jpg) | Letter, to Charles T. Riggs, from Edward Riggs | Amerikan Bord Heyeti (American Board) | 1912-02-02 |
![ABA004403444001.jpg.jpg](/retrieve/12689e72-3293-4a04-829a-fd5f3347a9f5/ABA004403444001.jpg.jpg) | Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1912-04-18 |
![ABA004403492001.jpg.jpg](/retrieve/a5e4c2ff-27e8-4446-ae77-b71cb520dcdb/ABA004403492001.jpg.jpg) | Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1913-05-10 |
![ABA004403480001.jpg.jpg](/retrieve/12644644-dad2-4f0b-85d2-f7ac14bfd930/ABA004403480001.jpg.jpg) | Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1913-02-28 |
![ABA004403459001.jpg.jpg](/retrieve/7c687be2-fc91-4033-97eb-2806befcd710/ABA004403459001.jpg.jpg) | Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1912-07-13 |
![ABA004403434001.jpg.jpg](/retrieve/19c4ba52-64dd-4c30-9a44-b9eb28b11d99/ABA004403434001.jpg.jpg) | Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1912-02-03 |
![ABA004403439001.jpg.jpg](/retrieve/653bbaf7-da64-4470-9f28-72f0205413f1/ABA004403439001.jpg.jpg) | Letter, to Charles T. Riggs, from Ernest C. Partridge | Amerikan Bord Heyeti (American Board) | 1912-03-02 |