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Internet Subject Directories

Last updated Jul. 12, 2023.
by Greg R.

Subject directories include human-selected Internet resources and are arranged and classified in hierarchical topics. Most search engines and portals have a subject directory component or partner. Use these for with broad topics and to find a few good sites on a particular topic.

  Selection Size Boolean Truncation Fields Sorting
Yahoo
   Review
User Submitted, editors 3,000,000? +, - Automatic, except in phrase t:title
u:url
Categories then Google
Open Directory
   Review
59,000 editors 3,800,000 and, or, andnot, +, - Yes, * None Categories then sites
LookSmart
   Review
Selected 2,300,000 Automatic AND Automatic stemming None Random sites, then Inktomi
Librarians' Index (LII) Public Librarians 10,000 and, or, not, ( ) "phrase" Yes, * Subject, title, author, more Relevance
InfoMine Academic Librarians 120,000 and, or, and not, ( ), near4 Yes, * Subject, title, author, more Relevance, title

RDN

Academic selections 30,000? and, OR, - No None Relevance

There are many other specialized subject directories and many other general ones. About.com is arranged like a subject directory and includes over  400 meta sites on many topics. Others to consider include the  World Wide Web Virtual Library, GoGuides, and JoeAnt.

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