The following links take you to my favorite HTML Websites.

The W3 Consortium

The all-powerful dictators of web-speak. If you (try) to keep current with the latest in HTML/SGML-lands, you must visit the W3.

HTML 3.0 Overview

A very good HTML 3.0 reference. It has all the HTML elements, cross-referenced and with some (even useful) example. Keep this one bookmarked for those HTML-writing sessions. (Unless you're one of those evil HTML editor people!-)