Search Engines
Individual Search Engines - searches for a subject using a keyword or words that best describe that subject.
Meta-Search Engines - allows a search to be submitted to more than one search engine at a time.
Subject Indexes and Directories- used when searchers know the topics they are after and want to look through lists of subjects related to specific topics.
The following directories select quality web sites reviewed by editors who are either librarians or subject experts.
Librarian's Index to the Internet
General directories not containing selected and reviewed sites.