- OhioNet
- Ohio Library Council
- Association of Independent Colleges and Universities of Ohio
- complete listing of independent colleges
- SWON Southwest Ohio and Neighboring Libraries
- INALJ Ohio page
- Public Universities and colleges
- OCLC, Dublin
- The Ohio State Univ, Columbus
- Notre Dame Coll, Euclid
- Case Western Reserve Univ, Cleveland
- Cleveland State Univ -- Main Library, Law Library
- Lake Erie College, Painesville
- The College of Wooster
- Kent State Univ
- Univ of Akron and their library
- Miami Univ, Oxford
- Cincinnati Christian Univ
- Xavier Univ, Cincinnati
- Bluffton Univ
- The Defiance College
- The Univ of Findlay
- The Univ of Toledo
- Bowling Green State Univ
- Cedarville Univ -- does not work in Opera
- Wilmington College
- Urbana Univ
- Wright State Univ, Dayton
- Univ of Dayton
- Wittenberg Univ, Springfield
- Ohio Univ, Athens et al. ; the various campuses' libraries are considered separate departments
- Denison Univ, Granville
- Mt Vernon Nazarene Univ, Mt Vernon
- Ohio Christian Univ, Circleville
- Ohio Wesleyan Univ, Delaware
- Shawnee State Univ, Portsmouth
Bordering states:
Indiana -- Michigan -- Pennsylvania -- West Virginia --
Kentucky
