This collection contains Georgia National Guard Annuals; a National Guard register; an army Staff Officer's field manual; a Georgia statistical register; and a United States Army Register of Retired Personnel. There are also awards and certificates that Williamson received during his education, military career, and career in the Georgia Department of Labor. In addition, there are membership and identifications cards from various civic and federal organizations; a certificate to the Georgia Bar for Eugene Harold Sheets (1906-1980); a scrapbook of newspaper clippings and World War II photos; and three LP recordings titled "Advisory Council." Of particular note is a State Director of Selective Service for Georgia appointment signed by President Franklin Roosevelt (1882-1945) and a 1942 German P.O.W. tag from an unidentified German prisoner.

The collection also has an oral history in which Williamson discusses his education; military training and service; and careers in law and public service. Specific topics include his deployment during World War II to Algiers; his time in the Labor Department, Georgia Selective Service, and Georgia Public Service Commission, where he responded to conflicts in Cartersville and Elberton, Georgia, caused by racial tension. He also recalls working with Georgia Labor Commissioners Ben T. Huiet (1895-1987), General George S. Patton, and Employment Security administrator Homer Adkins (1890-1964), amongst others.