His greatest moment came at Chickamauga, where his stubborn defense earned him the sobriquet "Rock of Chickamauga.” ALS signed “Geo. H. Thomas,” two pages, 5 x 8, September 24, 1865. Letter to General W. D. Whipple. In part, “I am glad to hear you are doing so well, and hope the Doctor has affected a permanent care. I do not know when I shall be in Louisville and thereby authorize you to order my train or car (if the train is broken up) to meet at Louisville. Having given all necessary orders to keep etc concern among until I get back I think I shall do as the Tennesseans do. Enjoy myself for about fifteen days and wait until the weather pies cook in Nashville before entering.” Letter is gilt matted and framed with a complete transcript and an engraved portrait of Thomas, to an overall size of 18.5 x 31.5. In fine condition, with mild toning to first page and expected folds. R&R COA. Oversized.