http://www.willcam.com/cmat/html/crossref.html
A Comprehensive HTML Cross Reference guide to most HTML tags.
http://www.html.about.com/compute/html/cs/htmltags/
About.com's page for HTML writing. Includes other forms such as JavaScript.
http://www.netmechanic.com/news/webmaster-resources.htm
The NetMechanic, HTML tips and tricks for all levels.
http://www.geocities.com/Athens/Acropolis/5969/
CalKid's University for HTML.
http://sunsite.berkeley.edu/Web/
The Berkeley Digital Library. A list of HTML Tags with some site design techniques.
http://www.connorswebguide.com/all_tags.asp
Connors' WebGuide. HTML help and list of tags and attributes.
http://www.englib.cornell.edu/instruction/htmlbasics.html
HTML Basics. Great place for beginners to learn.
http://www.webfrontier.org/html/html_basics.html
The WebFrontier. Beyond the links lies great information about HTML.
http://www.mcli.dist.maricopa.edu/tut/tags/index.html
Writing HTML. Learn more about HTML tags here.
http://www.htmlgoodies.com/JSBook/
All sorts of HTML goodies lay right under your fingertip.