Click link below to view Orrin Allen’s Letters
| September 10, 1862 | November 2, 1862 |
| September 12, 1862 | November 14, 1862 |
| September 19, 1862 | November 18, 1862 |
| October 5, 1862 | November 23, 1862 |
| October 7, 1862 | November 30, 1862 |
| October 17, 1862 | December 1, 1862 |
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(letter from sister Annie) |
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(letter from wife Francis) |
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| October 29, 1862 |