Letter from Robert E. Lee, December 29, 1864
written by Robert Edward Lee, 1807-1870 (1864); edited by Pulaski Cowper; in Extracts of Letters of Major-General Bryan Grimes, to His Wife: Written While in Active Service in the Army of Northern Virginia, Together with Some Personal Recollections of the War (Raleigh, NC, 1884), 87-88