It seem there is a broken link at gpg website page:
http://www.gnupg.org/gph/en/manual/x557.html
http://cwis.kub.nl/~frw/people/koops/lawsurvy.htm link looks broken.
After a quick google search I've discovered a new location for Crypto Law Survey:
http://www.cryptolaw.org
Please fix the link.