Clem's Baseball ~ Yankee Stadium
The Absurdity That Was The Polo Grounds
I Still Can't Believe They Tore Down Old Yankee Stadium - Deadball
Clem's Baseball ~ Cleveland (Municipal) Stadium
Clem's Baseball ~ My ballpark visits
Crosley Field - Wikipedia
MLB's Newest Ballpark Is A Shift Away From Retro-Era Stadiums
Old Yankee Stadium's rise and fall: Complete story of 'The House
Baseball 101: New York, New York (and New York, New York) - Newsday
Clem's Baseball ~ Stadiums by Class
Polo Grounds - Wikipedia