5/15/00 - All Recording Technology web pages were moved to the new Linux server in the USD Department of History, with the "http://history.acusd.edu" domain name.
1/9/00 - additions to Sources include volume 4 of the Papers of Thomas A. Edison and books by Paul Israel, Ray Phillips, Paul Théberge, Peter Hugill, Martin Campbell-Kelly, George Shiers, Tim Brooks ; a list of online journals added to Links