HTML Externals
- Character Entity Reference
- HTML entities are the codes that allow you to use characters such as © and ½. WebDevelopersNotes has a good listing of them here.
- DevGuru HTML Tag Reference
- A good listing of HTML tags along with each tag's core attributes
- The Global Structure of an HTML Document
- A useful W3C document.
- W3C's HTML and XHTML FAQ
- A good FAQ by W3C on HTML and XHTML
- Web Developers Handbook
- A dizzying collection of links on everything web-design related