Lists of useful websites that have been checked for quality by the creators of the directories.
"Selected Internet resources covering all academic subject areas."
Educator's Reference Desk
A directory of education websites.
"Scholarly Internet Resource Collections" relevant to college level research.
ipl2 is the result of a merger of the Internet Public Library (IPL) and the Librarians' Internet Index (LII).
Internet Scout Project
One of the oldest and best directories, developed by UW-Madison.
"Best web resources for education and research."
Open Directory Project
Very large directory built by volunteer editors. Includes consumer and recreational subjects as well as academic.