Author, historian, and newspaper editor. Correspondence, memoranda, writings and speeches, research notes, and other papers reflecting Brant's career with various newspapers, in the administration of Franklin D. Roosevelt, as a playwright, and his interest in James Madison.

Intelligence officer and journalist. Correspondence, journals, writings, lectures, transcripts of radio broadcasts, scrapbooks, and other papers relating to Deuel's career as an intelligence officer during World War II with the Office of Strategic Services, as a journalist with the Chicago Daily News and the St. Louis Post-Dispatch, and as a foreign intelligence analyst with the Central Intelligence Agency.

Editor, executive, and journalist. Correspondence, notebooks, writings, and background material relating mainly to Dudman's career as a journalist with the St. Louis Post-Dispatch.

Editor, historian, advisor to diplomatic delegations, consultant to U.S. government agencies, and special assistant to Secretary of State Cordell Hull. Correspondence, memoranda, writings, research and historical source material, scrapbooks, printed matter, photographs, and biographical matter relating primarily to Milton’s work as a historian of the Civil War and career as a newspaper editor and in government.