This collection is divided into four series: Sangamon State University, Reveille to Taps Documents, Reveille to Taps Media, and the James Jones Literary Society. The bulk of the collection relates to James Jones: Reveille to Taps, a documentary produced by Lennon and Jeffrey Van Davis for Sangamon State University and the Illinois Humanities Council in cooperation with the National Endowment for the Humanities, copyright 1984. The documentary explores James Jones' life and work, his childhood in Illinois, and his stay at the Handy Colony and his relationship with Lowney Handy. Other materials relate to Lennon’s time as a professor at Sangamon State University (now University of Illinois-Springfield).

Series I: Sangamon State University, 1973-1991 contains material related to Lennon’s time as a professor and administrator for Sangamon State University. Consists primarily of course materials and administrative material for the English, Literature, and Management programs. Arranged alphabetically.

Series II: Reveille to Taps Documents, 1942-1991 contains documents related to the documentary James Jones: Reveille to Taps, which explores Jones’ life and work, his childhood in Illinois, and his stay at the Handy Colony and relationship with Lowney Handy. The series includes interview transcripts, correspondence with media companies and interviewees, promotional material, notes, viewer feedback, reproductions of letters sent to, from, or relating to Jones, and an inventory of the tapes in Series III. Arranged chronologically.

Series III: James Jones Literary Society, 1948-2003, contains papers relating to the Society, including meeting notes, correspondence, newsletters, and financial records. Arranged chronologically.

Series IV: Reveille to Taps Media, 1983-1985 contains media items related to the documentary James Jones: Reveille to Taps. Videotapes include footage of Marshall, IL, Robinson, IL, the Handy Colony and Handy House, the Jones House, and interviews with the family, friends and acquaintances of Jones including Kaylie Jones, Gloria Jones, Willie Morris, John Bowers, Norman Mailer, Mary Ann Newlin Crank, Clem Woods, Tinks Howe, "Jonny," James Giles, Annis Skaggs Fleming, Joanne Strange, Vic Smith, the Cobbs, Thorton Bline, Max Henry, Larry Lewis, Alberta Eagleton, Louise Lewis, Earl and Belva Turner, Margaret Turner, and Terry Crawford. Also includes videotapes of the movies "Some Came Running," "From Here to Eternity" and the finished "Reveille to Taps." The reel to reel audio tapes contain narration for the documentary.