Best Practices

Copyright Web Site includes copyright information for print and online.
Elements of Style is an online version of the classic reference guide by William Strunk, Jr.
Creativepro.com offers resources for creative professionals (graphics oriented, but very useful for tech writers, especially independents).
IEEE Standards Development has links to the IEEE Standards Style Manual and model operating procedures.
Free templates for desktop publishing for Adobe, Corel, and Microsoft.
Blue Book provides form and style for ASTM standards.
ASTM Draft Standard Templates
Guide for the Use of the International System of Units