One of the best sources for stereoscopic 3-D supplies and
equipment--including red-blue or red-green anaglyph glasses--is:
Reel 3-D Enterprises
P.O. Box 2368
Culver City, CA 90231
(310) 837-2368
http://www.3d-web.com/reel/reel3d.html
Ask for their catalog. It is a great resource.
Hal Layer
San Francisco State University
"A Stereoscopy Manifesto" at:
http://userwww.sfsu.edu/~hlayer/stereo.html