| No. | Sender | Recipient | Preview | Date, oldest first |
|---|---|---|---|---|
| 1 | Robert E. Lee | L. D. McCormick | Abstract: Letter of 15 JAN 1870 written at Washington College to Mr. L. D. McCormick thanking him for a copy of The History of the Indian Tribes of North America. | Jan. 15, 1870 |