Series III (Presidential Papers)

Abraham Lincoln to Simon Cameron, May 6, 1861

Lincoln to Cameron 1 Lincoln to Cameron 2 
 Lincoln to Cameron 3  Lincoln to Cameron 4

Record Group 107, Records of the Office of the Secretary of War, Entry 23: Records of the Secretary of War, Record Series Originating During The Period 1789-1889, Correspondence, Letters Received, Letters Received (Irregular Series), 1861-1866, National Archives Building, Washington, DC