- Find Your Library - A directory of public libraries in the United States. Designed to be used by students.
- Guide to Library Research - Offers tips for choosing a topic, finding background information, selecting and evaluating resources, searching for information, and citing sources. From Duke University Libraries.
- LibDex - Directory of libraries with web pages. Links to each library's home page, and to its catalog if that's on the Web too. Browse by country, or search by name.
- LibrarySpot.com - Directory of web sites, arranged by type of library.
- Libweb - A global directory of library home pages.
- School Libraries on the Web - A directory of web pages maintained by K-12 school libraries in the United States and around the world.