- Ballard Rifle Book
- Browning Collectors Association
- Colt Collectors Association
- Krag Collectors Association
- Marlin Firearms Collectors Association
- Ohio Gun Collectors Association
- Parker Gun Collectors Association
- Remington Society of America
- Schuetzen mailing lists and related material
- Trapdoor Springfield Information Center
- Winchester Arms Collectors Association
* Links on this page are to non-commercial websites dedicated to gun or gun-related collecting activities. If you know about a good website and would like to have the link included on this page, please send it along.