Super Bowl XXIII, American Football Wiki
The Life And Career Of Roger Craig (Story)
Super Bowl XXIII (Twenty-Three 23) 49ers vs. Bengals Official Leather Authentic Game Football by Wilson
Super Bowl XXIV, American Football Wiki
Super Bowl history, Super Bowl XXIII: Joe Montana to John Taylor - Niners Nation
NFL teams that have not won a Super Bowl
Super Bowl, American Football Wiki
Super Bowl XXIII Wilson Official Game Football