D20 Reference Material
Here are some links for the D20 Reference material.
D20 3rd edition Reference Guide Link
D20 Modern Reference Guide Link
D20 3rd edition Reference Guide Link
D20 Modern Reference Guide Link
OGL D20
Provided is a link to the Open Gaming License agreement for the D20 System.
Link
Link
The D20 System is Copyright Hasbro, and Wizards of the Coast.
Open Game License v 1.0 Copyright 2000, Wizards of the Coast, Inc.,
System Reference Document, Copyright 2000 Wizards of the Coast, Inc.,
Authors Jonathan Tweet, Monte Cook, Skip Williams, Based on original
material by E. Gary Gygax and Dave Arneson.
Modern System Reference Document, Copyright 2002-2004, Wizards of
the Coast, Inc., Authors Bill Slavicsek, Jeff Grubb, Rich Redman, Charles
Ryan, Eric Cagle, David Noonan, Stan!, Christopher Perkins, Rodney
Thompson, and JD Wiker, based on material by Jonathan Tweet, Monte
Cook, Skip Wiliams, Richard Baker, Peter Adkison, Bruce R. Cordell, John
Tynes, Andy Collins, and JD Wiker.
System Reference Document, Copyright 2000 Wizards of the Coast, Inc.,
Authors Jonathan Tweet, Monte Cook, Skip Williams, Based on original
material by E. Gary Gygax and Dave Arneson.
Modern System Reference Document, Copyright 2002-2004, Wizards of
the Coast, Inc., Authors Bill Slavicsek, Jeff Grubb, Rich Redman, Charles
Ryan, Eric Cagle, David Noonan, Stan!, Christopher Perkins, Rodney
Thompson, and JD Wiker, based on material by Jonathan Tweet, Monte
Cook, Skip Wiliams, Richard Baker, Peter Adkison, Bruce R. Cordell, John
Tynes, Andy Collins, and JD Wiker.
