Non-Yankees Plaques in Monument Park
Yankee Retired Numbers
New York Yankees: Retiring numbers, plaque ceremonies must end
The Lasting Sadness Of Donnie Baseball, by Matt Wood
Heritage Auction - Sports Auction Catalog 7037 - Rosemont, IL
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The Historians of Hillsdale, New York, Lauren Letellier and Chris Atkins
List of Yankee Retired Numbers in Monument Park - Newsday
List of Yankee Retired Numbers in Monument Park - Newsday
Richie Ashburn – Society for American Baseball Research
CC Sabathia MLB Memorabilia, MLB Collectibles, Signed CC Sabathia Memorabilia
Yankee Retired Numbers
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