- San Diego Circuit Member Libraries (The Circuit Catalog)– San Diego’s consortium of libraries including CSUSM, UCSD, SDSU, USD, and the San Diego County Public Library. The Circuit Catalog now includes holdings from the San Diego Public Library (the City of San Diego’s system).
- Local Library Online Catalogs
- Pauma AA’Alvikat Library
- Carlsbad City Library
- CSU San Marcos Library
- Cuyamaca Community College
- Escondido Public Library
- Grossmont Community College
- MiraCosta College Library
- Oceanside Public Library
- Riverside County Library (Temecula)
- San Diego Public Library
- San Diego County Library
- San Diego Mesa College
- Southwestern College
- University of California, Riverside (UCR)
- Other California Library Systems
- U.S. and Foreign Libraries
- Library Organizations
- American Association of School Librarians (AASL)
- American Library Association (ALA)
- Association for Library Services to Children (ALSC)
- Association of College & Research Libraries (ACRL) and California Chapter
- California Library Association (CLA)
- California School Library Association (CSLA)
- International Federation of Library Associations (IFLA)
- Public Library Association (PLA)
- Special Library Association (SLA)
- Union Catalogs – combined holdings of many libraries
- WorldCat (OCLC Union Catalog)