dotd-2.3.7/area/
dotd-2.3.7/clans/
dotd-2.3.7/classes/
dotd-2.3.7/councils/
dotd-2.3.7/deity/
dotd-2.3.7/dict/
dotd-2.3.7/doc/mudprogs/
dotd-2.3.7/player/a/
dotd-2.3.7/player/g/ 
The doc dir is for smaug1.4 and may not apply, it contains some important
files that you must read, particularly the liceses!  This distribution
falls under all those licenses.  Also read the LICENSE file.

The INSTALL file should get you started.

See http://www.dotd.com for updates or patches.