Letter
Cooper to B-Brie: Gen. G. T. Beauregard, March 21, 1861
WAR DEPARTMENT, A. G. O., March 21, 1861. Montgomery, “March 21, 1861. B-Brie: Gen. G. T. BEAUREGARD, Commanding Provisional Forces, Charleston, S. C.: Sir: Iam instructed by the Secretary of…