Professional Disc Golf Association
Sports, Flying Discs, Disc Golf, Associations - Professional Disc Golf Association. Includes rules, a world-wide directory of courses, bulletin boards to find partners, a FAQ, membership information, and related links.
https://www.pdga.com
Southern California Disc Golf Association
Sports, Flying Discs, Disc Golf, Associations - Southern California Disc Golf Association. Local area course maps, tournaments, and tournament point totals in southern California.
http://www.socaldiscgolf.org/
The British Disc Golf Association
Sports, Flying Discs, Disc Golf, Associations - The British Disc Golf Association. Contains contacts and British courses as well as an events diary.
https://www.bdga.org.uk/