Watchmen: The Black Hand Chronicle
Watchmen Sourcebook by Ray Winninger & Alan Moore, 1990. (Source material by Alan Moore and Dave Gibbons, 1985)
DC Heroes Role-Playing Game , v.3rd Edition Ruleset (DC & Mayfair Games).
Watchmen: DC Heroes Role Playing Module, Taking out the Trash by Ray Winninger.
Who Watches the Watchmen? Watchmen, DC Heroes RP Module by Dan Greenberg.
All copyrighted material by DC Comics Inc. and/or Mayfair Games (1985-1990)