Orion: The Vaults of Winter
Darius Hinks
Warhammer Fantasy: Orion (2)
The Wizardry Compiled
Rick Cook
Wizardry (2)
Lands of Creation
Dawn Elliot & John Chambers & Michael Goodwin & Peter Schaefer & Stephen Lea Sheppard & John Snead & Andrew Watt
Runner's Toolkit - Compiled Tables
www.catalystgamelabs.com , www.shadowrun4.com
Dragon Magazine #240
Unknown