- Federated Philatelic Clubs of Southern California
- American Philatelic Association
- SESCAL
- China Stamp Society
- International Society for Japanese Philately
- Inturpex Arcadia First Saturday Stamp Show
- American Association of Philatelic Exhibitors
- American First Day Cover Society
- Plate Number Coil Collectors Club
- U.S. Philatelic Classics Society
- The Postal History Foundation / Arizona
- Armenian Philatelic Association
- Éire Philatelic Association
- Long Beach Stamp Club
- Orange County Philatelic Society
- Ventura County Philatelic Society
- SANDICAL Expo
- Santa Barbara Stamp Club
- Stamp Collecting Basics
- International Postage Meter Stamp Catalog
- Whitman (the coin company) Stamp Sales
- British Library Philatelic Collections and Archives
- Stamp Community
- At-Home Hobby Storage & Organization
- Moving with Your Hobby
- Authenticity: Know Your Legal Rights
- More Links: Stamp Collecting and Philately for Kids and Adults Alike
- Resources