The Mark A. Weber Papers include minutes, correspondence, constitution, handouts, notes, and newspaper and magazine articles concerning the Virginia Tech gay and lesbian student organization, Lambda Horizon, from 1971-1991. The collection includes materials regarding the AIDS education committee, which was a primary focus of Lambda Horizon. The constitution of the Gay Alliance, a previous student organization, is included. The collection also includes papers from Weber's class projects related to the LGBTQ+ community, a photograph of Weber and his date who were the first same-sex couple to attend the Mid-Winter's Dance, and a video of Weber's Virginia Tech graduation party.