W3C HTML Home Page -  .

The case for XHTML - - A article dispelling myths about the XHTML versus HTML debate.

The HTML Writers Guild - - Details the main differences between HTML and XHTML.

New Architect - - Article exploring the issues involved in migrating from HTML to XML.

NYPL Styleguide - - XHTML 1.0 overview. Includes discussion of accessibility and document validation. Also XHTML authoring tips and tools featuring the use of Dreamweaver.

XDG: XHTML Design Guide - - Introduction, tutorial, standards documents, and links to articles.

XHTML :: How to succeed - - Tips and caveats on HTML to XHTML migration for existing browsers.

XHTML is the Most Important XML Vocabulary - - An article covering possible future outcomes for version 2 of the standard.

XHTML Web Design for Beginners - - An introductory article for those with no prior experience of HTML. Covers version 1.0 Transitional.

XHTML: Where XML and HTML meet - - Discussion of XHTML 1.0 and how it improves on the HTML 4.0 standard. Examines the issues involved in the transition between HTML and XHTML. Also explores backwards compatibility to HTML and XHTML modularization.