HTML basics, tutorials, help on the Web
selected from Google finds in December 2004 by Ursula Hoffmann
W3C HTML tutorials (the WorldWideWeb Consortium is the HTML overseer)
especially,
Getting started
HTML Goodies: the basics
HTML Primer
Writing HTML -- a tutorial (Maricopa)
NCSA: A Beginner's Guide to HTML (2001)
HTML Code Tutorial
Html Tutorial (W3Schools)
Webmonkey HTML Cheatsheet
-- includes color code, special ISO characters etc.
The Bare Bones Guide to HTML
HTML Tutorial (EchoEcho.com) -- also an A - Z reference
Specialized:
UWEonline Guide: WebEQ and MathML Equation Editors
(U. of the West of England)