Imperium Games

year of pub­li­ca­ti­onISBNauthor(s)title
1997978-1-57828-136-7Timothy BrownEmperor's Vehicles (T4 - Marc Miller's Traveller)
1996978-1-57828-301-9Marc MillerStarships: Traveller Role Playing Game
  ''978-1-57828-324-8Greg PorterCentral Supply Catalog (T4 - Marc Miller's Traveller)