Center for History and New Media, GMU
chnm.gmu.edu/courses/122/hill/marshall.htm (accessed 2010)
Created by Stephen Peck, Web Team Intern, National Postal Museum.
We extend our thanks to Alexander T. Haimann, NPM Collections Specialist for his careful assistance in reviewing and editing the text of this exhibition. We would also like to thank fellow NPM collegues Marty Emery, MJ Meredith and Bill Lommel for their support throughout the work on this project.