Subject catalogs, sometimes called subject indexes, directories, guides, or virtual libraries, group Internet resources hierarchically by subjects. By cataloging quality Internet resources, subject catalogs aim to provide a useful list of relevant Internet sites and documents for each subject area. Some subject catalogs rate or rank Internet sites by their usefulness.
Perhaps, the largest and most well known Internet and Web catalog. Includes an extensive hierarchy of subjects and subdivisions.
Provides links to Maryland resources as well as numerous topical links selected by Maryland librarians.
A searchable, annotated, subject directory of more than 17,000 Internet resources chosen for their usefulness to library user's information needs.
An extensive collection of guides to Internet resources arranged by subject.
A collection of topical guides which identify, describe, and evaluate Internet-based information resources.
Virtual library of Internet sources relevant to college students and faculty. Please note that results may include items only available to faculty and students of the University of California.
Searchable directory of Web sites geared towards education and research compiled by a consortium of UK universities.