Layout Design 
The
Cheese Room - Creative Design Solution --
This U.K company gives free marketing and communication
tips.
Brochure
Design - This site from Purdue University shows you many
different folds and formats.
Leab
Exhibition Awards Evaluation Criteria - This site gives criteria
for evaluations of printed exhibition catalogs and brochures.
desktopPublishing -
Many resources for electronic publishing.
Color, Contrast
and Dimension in News Design - An online, interactive version
of Pegie Stark Adam's book by the same title, this site uses
exercises, graphic design samples, and malleable illustrations
of art masterpieces to explain color theory and the emotional
and physical impacts color, proportion, and contrast have upon
a viewer. Intended primarily for journalists and graphic artists,
its demonstration of the uses and effects of color will also
have relevance for a much wider audience. (from lii.org)
Web Design 
Web Builders Tool
Kit - Everything you need to know to design a web page.
Top
Ten Mistakes to make your WWW site a flop - Excellent web
site by the World Wide Web Virtual Library.
Top Ten
Web-Design Mistakes 2002 - This site includes a list of the
earlier top ten web-design mistakes.
Web
Style Guide - This is an online book.
Writing
Well for the Web
HTML
Help by the Web Design Group - "The
Web Design Group was founded to promote the creation of non-browser
specific, non-resolution specific, creative and informative
sites that are accessible to all users worldwide."