Firstly there is the cluebook, such as it is, check out the MM2 link on this page:
http://www.weekendwastemonster.net/crpgs/directory.html
At the FRUA forum I was able to decrypt a lot of the floor plans for the SSI Gold Box games, you might be able to do so here with MM2:
http://ua.reonis.com/index.php?board=8.0
Some help for the latter might come from:
http://rewiki.regengedanken.de/wiki/Category:Games