Macmillan's HTML Workshop
http://www.mcp.com/general/workshop/index.html
The Toolbox
http://members.aol.com/royalef/toolbox.htm
The Web Masters' Page
http://miso.wwa.com/~boba/masters1.html
The HTML Writers Guild Website
NetMind Free Services Home Page
The World Wide Web Consortium (W3C)
The Bare Bones Guide to HTML
http://werbach.com/barebones/barebone_html.html
The Web Developer's Virtual Library
Webmaster Reference Library
http://www.webreference.com/index2.html
Sun's Web Development Information
http://www.sun.com/styleguide/
HTML Station
HTML Fancy Stuff
http://www.hal.com/~barry/Links/html.html
Tools for WWW Providers
http://www.w3.org/hypertext/WWW/Tools/
Bibliography of HTML Reference Documents
http://www.utirc.utoronto.ca/HTMLdocs/NewHTML/bibliography.html
Extensions to HTML
http://home.netscape.com/assist/net_sites/html_extensions.html
The Web Designer