Graphics Philately Association (1975):
http://www.graphics-stamps.org
Books and printing on postage stamps (from papyrus books, medieval manuscripts and Gutenberg to eBooks of the 21st century); quarterly Philateli-Graphics; North America $15, elsewhere $25.

Bruce L Johnson
115 Raintree Dr
Zionsville, IN 46077-2012
Email: indybruce1@yahoo.com