Correspondence, financial records, and other records of the National Association for Universal Military Training and its predecessor, the Association for National Service, pertaining to the goals and operations of the organization. Also includes personal papers, chiefly correspondence (1904-1932), of the founder of the organization, Henry Harrison Sheets. Includes Sheets's correspondence with Edward S. Curtis pertaining to Curtis's work relating to the Indians of North America and his publication of the North American Indian. Other correspondents include S.B.M. Young, president of the national association, and Gutzon Borglum, George E. Chamberlain, Theodore Roosevelt, Elihu Root, Lorillard Spencer, and Leonard Wood.