HTML guides

Lynn asked for simple guides to html code.

Here's my list:

<a href= "http://www.w3schools.com" >Visit W3Schools.com!

HTML special characters

HTML codes - Characters and symbols

Table of character entity references in HTML 4

Character entity references defined in HTML 4

24 Character entity references in HTML 4

The Most Popular Character Entities

Mathematical, Greek, and Symbolic characters for HTML