Frisbee and Discs

Freestyle Frisbee Players Association
Developed to help new players learn how to freestyle. Includes history, illustrated descriptions of skills, photographs and videos.
http://freestyledisc.org/

UK Ultimate Association: Frisbee History
Describes the origins of ancient and modern flying discs.
http://old.ukultimate.com/history/history.aspx

Ultimate Handbook
Rules of the sport, tutorial of various plays, description of throws, information for team captains, glossary of terms and related links.
http://www.ultimatehandbook.com/uh/

Ultimate Players Association: About Ultimate
Includes frequently asked questions and a list of ten simple rules.
http://www2.upa.org/ultimate

Ultimate VideoPapers
Video, text and slide images about throwing skills, field strategy and handling skills.
http://ultimate.lcs.mit.edu/