| Results | |||
| Note: A ? indicates the information presented is a 'best guess'. The information on the original letter is unknown or illegible and may not be completely accurate. | |||
| Letter Number | Letter Date | Written By | Written To |
| 1390 | 1860 January 11 | Cambridge Livingston | Hiram Sibley |
| 1391 | 1864 February 26 | Cambridge Livingston | Hiram Sibley |
| 1392 | 1852 March 15 | Cambridge Livingston | Samuel S. Selden |
| 1393 | 1861 April 02 | Cambridge Livingston | Hiram Sibley |
| 1394 | 1853 April 05 | Cambridge Livingston | Hiram Sibley |
| 1395 | 1853 April 06 | Cambridge Livingston | Hiram Sibley |
| 1396 | 1853 April 21 | Cambridge Livingston | Hiram Sibley |
| 1397 | 1853 April 23 | Cambridge Livingston | Hiram Sibley |
| 1398 | 1856 May 28 | Cambridge Livingston | Hiram Sibley |
| 1399 | 1852 June 04 | Cambridge Livingston | Hiram Sibley |
| 1400 | 1856 October 10 | Cambridge Livingston | Hiram Sibley |
| 1401 | 1854 November 10 | Cambridge Livingston | Hiram Sibley |
| 1402 | 1863 November 30 | Cambridge Livingston | Hiram Sibley |
| 1403 | 1863 December 12 | Cambridge Livingston | Hiram Sibley |
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