Series I: Administrative Files, 1962-1964, 1969-2007, 2012-2013, holds the administrative files including the constitution and policy statements, correspondence, committee materials, format and positioning statements, and surveys and petitions.
Series II: Budgeting and Reports, undated, 1966-1996, 2013, holds budgeting information and reports including facilities information and Congressional appeals.
Series III: Programs, undated, 1966-2015 includes program information and program guides.
Series IV: Audio and Video Materials, 1973-1974, 1977-1978, 1982-2000, 2003, 2006, 2009, 2011, includes recordings played on the station. The majority of the audio recordings are reel-to-reel. The reels and the boxes have been reused, so titles are unreliable.
Series V: Textiles, undated, 1991, 1992, 1998, 2000, contains T-Shirts, Polo Shirts, hats and other items promoting WGLT and programs.
Series VI: Ephemera and Memorabilia, undated, 1966-2016, contains scrapbooks, photographs, plaques, and newsletters.