http://www.apl.jhu.edu/~hall/lisp.html
(Especially the section "Issues for Lisp Beginners and Advanced
Beginners" on that page)
http://homepages.paradise.net.nz/milhous/lisp.htm
Nice and basic, has a link to Corman Lisp, a free
Windows compiler that also has an IDE (Which isn't
free, but you can use it for 30 days).
http://directory.google.com/Top/Computers/Programming/Languages/Lisp/
Google's directory listing of Lisp-related links. Way
more than they'll want to go through, but lots of useful
things if they know what they want.
Compiled by Ryan Holmes, Fall 2002