- United States
- Africa and the Middle East
- Australia, New Zealand, and the Pacific
- Mexico, the Caribbean, Central America, and South America
Many thanks to the people who maintain these resources.
- UK Higher Education and Research Libraries, maintained by Ian Tilsed of the University of Exeter.
- The Australian Libraries Gateway, maintained by the National Library of Australia
- DirBuzz.com - Directory of quality websites organized via a comprehensive category structure.
- DirVille - Online library of internet and reference resources.
- Duddoo - Featuring quality business listings and resources.
- LinkVerve - Lists websites organized by subject.
- ArgusVision.net - Paid inclusion directory that offers human edited entries within 48 hours .
- SlushDir - Business Web Directory that promotes companies, products and services.
- Ubublu - a catalogue of quality internet websites.
- lib-web-cats, a research listing of library pages, catalogs, and system profiles, maintained by Marshall Breeding of Vanderbilt University