- American Library Association
- Home page for ALA, the professional organization for librarians.
- Cincinnati and the Tristate · Libraries
- Local directory for book festivals, book sales, library networks, public libraries, special libraries, university and college libraries.
- Law Libraries
- Listing of state and public law libraries in the United States.
- Libdex
- Links to library homepages and web-based library catalogs worldwide.
- Libraries Connect Ohio
- A partnership of Ohio libraries and library organizations working together to provide a core collection of information resources and library services to all Ohioans.
- Library of Congress
- General information about the LOC and its services plus special events and online exhibits.
- Libweb
- Directory of library homepages in the United States and around the world.
- National Libraries of the World
- Listing of national libraries of the United States and worldwide.
- Ohio Libraries Directory
- Directory information on all Ohio public libraries. Includes library addresses, phone numbers, websites and director email addresses.
- Ohio Library Council
- Statewide professional association which represents the interests of Ohio's public libraries as well as their trustees, Friends and staffs.
- Ohio Web Library
- Ohio Web Library
- Presidential Libraries
- Listing of Presidential libraries in the United States.
- Public Libraries
- Listing of public libraries in the United States by state.
- Southwest Ohio and Neighboring Libraries
- Consortium (formerly known as GCLC) of local libraries, with calendar, job postings, and links.
- State Libraries & Archives
- Listing of state libraries and archives in the United States.
- State Library of Ohio Library Information
- A variety of current statistics on Ohio public libraries.
- State Library of Ohio: Sources for Genealogists
- Provides news and information from the State Library of Ohio. Contains an extensive genealogical and local history collection on all counties in Ohio.
- University & College Libraries
- Listing of university and college libraries in the United States.
