https://books.google.com/books?id=wIniAAAAMAAJ&lpg=PA85&ots=IniNIYzTm0&dq=interest-groups%20archive%20usenet&pg=PA168#v=onepage&q=udut&f=true
http://books.google.ca/books?id=KmrgAAAAMAAJ&pg=PP9&lpg=PP7&focus=viewport October 17, 1991! YES! PROOF wikipedia. Proof.
https://stuff.mit.edu/afs/athena/reference/net-directory/list-of-lists/interest-groups.txt
Directory of Electronic Journals, Newsletters, and Academic Discussion Lists, Volume 2 (Google eBook)
Association of Research Libr, 1992 – BITNET (Computer network)
