Throwback: Giants in Yankee Stadium
Yankee Stadium - National Ballpark Museum
Giants vs. Saints Yankee Stadium -1968 Photograph by Bobby Cole
Giants vs. Saints Yankee Stadium -1968 by Bobby Cole
Uncle Mike's Musings: A Yankees Blog and More: Faux Flashback: How to Go to a Giants or Jets Game at Giants Stadium
Yankee Stadium - history, photos and more of the New York Yankees ballpark from 1923-2008
Letters from old Yankee Stadium up for auction
The Yankees closed old Yankee Stadium on this day in 2008 - Pinstripe Alley
Yankee Stadium Football History, Pinstripe Bowl
A look at Yankee Stadium's rich soccer history ahead of New York City FC's home opener
Grand Opening of Old Yankee Stadium April 18 1923 Greeting Card by Peter Ogden
Polo Grounds – History of New York City
See 85 Years of Baseball History Vanish in 30 Seconds – National Geographic Education Blog
What is on the site of the original Yankee Stadium? - Quora
Polo Grounds - Wikipedia