The Lost Library of MOO - Links to manuals, tutorials, FAQs, research papers and other resources. - http://www.hayseed.net/MOO/
Composition in Cyberspace - Various help sheets and tutorials, centered towards DU MOO but applicable to others. - http://pythonmoo.co.uk/mirror/du.org/cybercomp.html
The Arch-Wiz FAQ - A useful resource for new wizards, answering the most common questions covering MOOs. - http://www.the-b.org/moo/new-archwiz-faq.html