Yahoo was easy. Try:
http://dir.yahoo.com/Computers_and_Internet/Programming_Languages/Z/
which leads to an excellent site:
http://www.comlab.ox.ac.uk/archive/z.html
James
-- James Tauber / jtauber@jtauber.com / www.jtauber.com Associate Researcher, Electronic Commerce Network Curtin University of Technology, Perth, Western AustraliaMaintainer of : www.xmlinfo.com, www.xmlsoftware.com and www.schema.net