Links

http://www.wisc-freemasonry.org/html/links.htm (a thorough list of local lodge links from the Grand Lodge of Wisconsin) 

www.jpluther.com (a Masonic retailer)

http://www.mastersjewel.com (a Masonic retailer and information resource)

http://web.mit.edu/dryfoo/www/masons/ (an information resource)