Casey, Powell A. Collection, 1782-1972. 238 items. Location: 77:99-100, 98:. Retired officer of the Washington Artillery, the Louisiana National Guard, and writer on military history. Collection includes research materials and other items pertaining to the history of the Battle of New Orleans and the Washington Artillery; typescripts of published writings by Casey; and correspondence. For further information, see online catalog. Mss. 1732, 2540, 2712.