HTML Specifications

• Hypertext Markup Language 2.0  - Shows information on HTML as an application of SGML, document structure and forms. Includes details on references and its coded character set.
• ISO HTML 4.0 Specification  - Contains details on HTML 4.0 with information on basic HTML data types and its elements.
• OOPWeb.com: HTML Directory  - Provides the specifications of HTML 4.01, XHTML 1.0 and CSS2 with a brief summary of the tool.