A collection of other MCI Mail related web sites and blog postings:
"MCI Mail -- The Nations New Postal System"
(August 20, 2009) Bogleheads
"MCI International Introduces MCI Mail Global Access from 27 Countries"
(March 2, 1992) MCI Press Release
"MCI Mail: The Adventure Continues"
Goldstein, Emmanuel (July 1984)
The Best of 2600: A Hacker's Odyssey. Collectors Edition, p. 159-160.
