Are the D&D Wizards articles official first-party material?

Post/Author/DateTimePost
#1

Endarire

May 21, 2008 18:19:58
My DM says no since they aren't published in a book or magazine, which I find awkward because they're often by the same people who wrote the rulebooks!
#2

olpolokk

May 21, 2008 19:59:23
http://forums.gleemax.com/showthread.php?t=570753&page=350