Subject Indexes and Search Engines
By far, the biggest and oldest Subject Index to the Web is
Norfolk Public Library Subject Index
is much smaller than Yahoo, but is designed specifically for local library patrons.
One of the most powerful Search Engines is
One site that is dedicated to evaluating Search Engines is
Search Engine Showdown.
This site summarizes, reviews, and compares the search features and database scope of Internet search engines and finding aids.