Pandia Powersearch - List of search engines and directories. Also includes a metasearch engine, search tutorial, and a free newsletter.

Search-22 - Kids Search Engines - Searches some well known student resources and directories for kids and teens.

Hello Engines - Provides registration of websites with search engines and directories.

Search Engine Relationship Chart - Bruce Clay's pictorial view of how search engines provide data to partner engines and directories.

Internet Search Engines for Kids - Kids can search the major search engines from one page. There are links to web directories designed for kids.

SubmitWolf - Software that submits websites to over 1500 search engines, directories and links pages. Includes reporting and ranking report.