HTML Tag Reference List
Introduction to Dynamic HTML
Style Sheet Definitions Quick Reference

JavaScript Manuals

HTML and DHTML Reference
The Document Object Model in Mozilla
DOM Introduction and Resources

DHTML Examples

Dynamic Drive DHTML(dynamic html) code library
HTML, CGI Scripts, graphics, tutorials and more

HTML: Other

IconBazaar - html icons
HTML Reference Guide

Outdated/not working

Online JavaScript Reference Manual
DevEdge Online - Manuals For Developers
FAQTS - Knowledge Base - FAQTS