http://www.mudconnector.com

http://www.mudlists.com

http://www.topmudsites.com

http://www.toprpgames.com

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

http://www.lysator.liu.se/mud/faq/faq1.html

http://www.mudlab.org/

http://www.jointhesaga.com/muwiki/index.php/Main_Page