Union general (1827–1890) who fought at First Bull Run and Port Royale, and who, after the war, became commander of the expedition against the Sioux during which Custer met his end at Little Bighorn. ALS signed “Alfred H. Terry, M. Genl Vols,” one page, lightly-lined, 7.75 x 9.75, Head Quarters Dept. of Virginia, Richmond, August 6, 1865. Letter of recommendation for William S. Andrews. In part: “1st Lieut. Wm. S. Andrews of the Signal Corps, U.S.A. served with me as my chf signal officer during a part of the year 1864. He is a gentleman of character, education and ability.” In fine condition, with repaired separations to mailing folds and some scattered soiling. RR Auction COA.