http://en.wikipedia.org/wiki/Summer_Sanitarium_Tour

http://music.ign.com/articles/385/385046p1.html

http://www.houseofblues.com/tickets/eventdetail.asp?eventid=10859

http://www.angelfire.com/vt2/bmd04/SST%20PICS.htm

http://www.encycmet.com/news/2003-09-28.shtml

http://www.metallicaworld.co.uk/metallica_tour_dates_sanitarium_2003.htm

http://www.livedaily.com/news/4604.html

http://www.knac.com/article.asp?ArticleID=1766

http://www.pusfan.com/ss1.htm

http://www.metallica.com/index.asp?item=670

http://www.ipom.com/cgi-bin/tour_get_dates.pl?mode=tour&data=Summer+Sanitarium+2003

http://www.musicfanclubs.org/metallica/tour.htm