Guardians Of Order
- Official site for the game. Includes errata, a preview of the Authority sourcebook, and discussion boards. Also features downloadable character sheets, quick start rules and upcoming products.
- http://www.iguardians.net/games/sas/

Yahoo Groups - Silver Age Sentinels
- Unmoderated discussion maintained by Guardians of Order.
- http://games.groups.yahoo.com/group/silverage/

Silver Age Sentinels - Draxzaster.com
- Campaign notes and a character generator.
- http://draxzaster.com/sas/

EvilHat.Com
- Article discussing ways to "right-size" villains who turned out too effective or not effective enough.
- http://www.evilhat.com/sas/rightsize/