Old Yankee Stadium and Mets' Old Stadium: NYC Baseball History
Yankee Stadium (1923) - Wikipedia
Ballparks Yankee Stadium Old - This Great Game
Yankee Stadium, New York Yankees ballpark - Ballparks of Baseball
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Yankee Stadium, Bronx NY – Baseball Travels
Yankee Stadium - Wikipedia
Yankee Stadium - Wikipedia
New York Mets team ownership history – Society for American Baseball Research
Old Yankee Stadium and Mets' Old Stadium: NYC Baseball History
Gridiron Greatness at Yankee Stadium
Shea Stadium - history, photos and more of the New York Mets former ballpark
Yankee Stadium (1923) - Wikipedia
Yankees, Mets baseball games make New York vacation a hit – Daily Bulletin
Should you go to a Yankees or Mets game? - Lonely Planet