PanicPosters - Widespread Panic poster collectors' Yahoo group
General Posters
American Poster Institute (API) The API is a non-profit corporation dedicated to furthering public awareness and appreciation of the poster art form. The API organizes the Flatstock poster exhibit/convention series, among its other activities.
FACTS information on art care, picture framing, and allied topics
Gigposters.com All-encompassing site for concert prints and comments/discussion.