alphaDictionary (http://www.alphadictionary.com/index.shtml, 11-06-2008)
	Free online dictionary.

Study Guides and Strategies (http://www.studygs.net/, 11-06-2008)
	A collection of study guides and tip sheets for most school subjects.

SchoolTube (http://mvp.schooltube.com/, 11-06-2008)
	An online source for free educational videos.

TeacherTube (http://www.teachertube.com/, 11-06-2008)
	Another source for free, educational videos online.

TeenCentral.net (http://www.teencentral.org/, 11-06-2008)
	Anonymous helpline for teenagers.

NobelPrize.org (http://nobelprize.org/index.html, 11-06-2008)
	The official website of the Nobel Prizes.

Merriam-Webster Online (http://www.merriam-webster.com/, 11-06-2008)
	An online dictionary.

AP Central (http://apcentral.collegeboard.com/apc/Controller.jpf, 11-06-2008)
	The College Board's site for AP classes.

LibrarySpot (http://www.libraryspot.com/, 11-06-2008)
	A collection of links to reference sites around the web.

Wise Guide (http://www.loc.gov/wiseguide/index.php, 11-06-2008)
	Library of Congress site linking to the best information available from the LOC.

Archimedes' Lab (http://www.archimedes-lab.org/, 11-06-2008)
	Puzzles, brainteasers, and logic problems.

EDSITEment (http://edsitement.neh.gov/, 02-25-2009)
	A collection of educational resources, covering all humanities subjects, provided by the National Endowment for the Humanities.

Open Vault (http://openvault.wgbh.org/, 02-25-2009)
	Free, online access to a number of videos provided by the public television station WGBH.