Includes materials related to McCoy's presidency and vice presidency of the Kansas State Historical Society (KSHS), as well as his service on the Local Awards Committee in 1983 and the Nominating Committee in 1976. McCoy-O'Connor files are regarding Readings in Recent American History by McCoy and Raymond G. O'Connor. NAAC files are regarding the National Archives Advisory Council; there is also an NEH proposal for writing "A History of the National Archvies and Records Service."