Pirates left one 'home' and came back to another in summer 1970
Three Rivers Stadium - history, photos and more of the Pittsburgh
Ballparks Three Rivers Stadium - This Great Game
Three Rivers Stadium by The Association of Gentleman Pittsburgh
Stadium Series #4: Forbes Field (Pittsburgh)
USA: Three Rivers Stadium's 30 years of football excellence
Remembering Phil Coyne: From County Galway to Forbes Field, Three
Three Rivers Stadium - Pittsburgh
How did the Pittsburgh Pirates get their name?