California State University San Marcos. ( San Marcos, California United States) [Alma]
Mountain Empire Unified School District. ( San Marcos, California United States)
Palomar College. ( San Marcos, California United States) [Alma]
Saint Katherine College. ( San Marcos, California United States) [OPALS]
San Diego County Office of Education. ( San Marcos, California United States)
San Diego County, CA. ( San Marcos, California United States) [Millennium]
San Marcos Unified School District. ( San Marcos, California United States) [Destiny] +
San Marcos Unified School District. ( San Marcos, California United States) [Destiny]
indicates that the library participates in a consortium for its automation system.