Correspondence, diary, military reports, statements, notes, speeches, scrapbooks, clippings, printed matter, and memorabilia covering Moseley's military career in the Philippines, on the Mexican border, with the American Expeditionary Forces in World War I, during the Bonus March on Washington, and extending into the period of his retirement. Includes a typescript (4 volumes) of his unpublished autobiographical narrative, One Soldier's Journey, documenting his conservative views on such topics as immigration, labor unions, military preparedness, and international organizations and his opposition to communism and Franklin D. Roosevelt's New Deal policies. Also includes material relating to Moseley's testimony before the Dies committee on un-American activities in 1939.

Correspondents include Dwight D. Eisenhower, Walter F. George, James G. Harbord, Herbert Hoover, Douglas MacArthur, Joseph McCarthy, Robert R. McCormick, Joseph J. Pershing, John E. Rankin, B. Carroll Reece, Walter B. Smith, Joseph W. Stilwell, and Eugene Talmadge.