This collection consists of seven letters written by Robert Hamilton Harris to Martha Love ('Mattie') during the United States Civil War, 1862-1864. They relate details of his military service while serving in the Georgia Infantry 29th Regiment, Company A. The letters are arranged chronologically. Some of the letters include maps of the military encampments where Harris was stationed, including Vicksburg, battlefield and troop movements on Wilmington Island, Georgia, a diagram of fortifications, and Sapelo Island map.