Content Abstract: Mario Marcel Salas was born in San Antonio, Texas on July 30, 1949. Salas became an advocate for San Antonio's African-American community in the early 1970s and was a key member of local activist groups such as the San Antonio chapter of the Student National Coordinating Committee, Organizations United for Eastside Development, Black Coalition on Mass Media, and Frontline 2000. He was elected to the City Council of San Antonio in 1997, where he served two full terms as Representative for District 2. The collections spans the years 1968 through 2016 and consists of materials spanning a wide range of Salas' interests. Items include photographs and publications, information about organizations, people, topics, and events of interest to Salas, such as revolutionary and progressive political movements in the U.S. and abroad, police brutality, and political prisoners.

Content Abstract: The Campus Activities Board is a student-led organization that organizes campus activities and events for UTSA students. The records of the Campus Activities Board span the years 1978 through 2006 and document the planning and implementation of campus programs aimed at providing an active campus life for the campus community.