3.P First, Second, and Third Party Sources+Third-Party
(note: this list is not exhaustive)
- Anything else by Radiance House
- Anything else by Rite Publishing
- Anything else by Fantastic Gallery
- Anything by AAW Games
- Anything by Frog God Games / Necromancer Games
- Anything by Green Ronin Publishing
- Anything by Hammerdog Games
- Anything by Kobold Press
- Anything by Legendary Games
- Anything by Playground Adventures
- Anything from the Mystara fansite: http://www.pandius.com/