Lou gehrig yankee stadium hi-res stock photography and images - Alamy
Paul O'Neill Yankees No. 21 retired
Monument park hi-res stock photography and images - Alamy
US Bronze Created the Plaques of Yankees' Monument Park
Yankees, Eager to Retire Numbers, Subtract Options for Current
Retired New York Yankees player Paul O'Neill walks down the line
Yankee Stadium's Monument Park: Stories of place where legends go
Mickey Mantle Photograph by Allen Beatty - Fine Art America
The Yankees have a lot of retired numbers. Other teams should try
Remembering Yankee Stadium
Monumental Decision: The Boss to Take Rightful Place in Monument
Mariano Rivera and five great Yankee farewells
Yankee Stadium (New York) – Society for American Baseball Research