Useful SCA Documents:

Library of SCA Documents

Name research

SCA official heraldry documents

Costuming:

The Tudor Tailor
The Elizabethan Costume page Lots of information, research on costumes, patterns, etc.

Other:

Viking above ground fire table(PDF)
Milanese Tailor Handbook The Milanese Tailor's Handbook is a good resource for late 16th century costumes. The interesting aspect of this site is that there are a few original patterns from 1570 or so for you to look at.
Practical Worksheet for Tunic Construction presents a seven-step instruction page for sewing tunics.
Traditional games around the globe
The Mary Rose is based in Portsmouth Historic Dockyard. Built between 1509 and 1511, she was one of the first ships able to fire a broadside, and was a  firm favorite of King Henry VIII.