Series IV: Council of Supervisors and Administrators Retirees Chapter Files, 1972-2007, documents the history of the Retired School Supervisors and Administrators (RSSA; originally Retired Supervisors Group) and its evolution from an independent organization to an affiliate of the Council of Supervisors and Administrators. Included are materials on RSSA constitutions and by-laws, conferences, legislative activity, local chapters, and social activities, as well as Executive Board minutes, correspondence, membership records, and merger with the CSA retirees' chapter in 2005.