NY Giants vs. NY Yankees 1921 World Series
SABR Century: 1921 All-NYC World Series – Society for American Baseball Research
Pivotal World Series Plays
1923 World Series - Wikipedia
In Baseball's Time Machine, 21st Century Belongs to the Red Sox - The New York Times
1921: The Yankees, the Giants, and the Battle for Baseball Supremacy in New York eBook : Spatz, Lyle, Steinberg, Steve, Alexander, Charles C.: Kindle Store
Uncle Mike's Musings: A Yankees Blog and More: Happy Brooklyn Dodger Day
Uncle Mike's Musings: A Yankees Blog and More: My All-Half-Century Team
Losing teams that returned to World Series
1923 World Series Program New York Yankees vs. New York Giants. , Lot #44192
October 13, 1921: Giants beat Yankees 1-0 to clinch World Series championship – Society for American Baseball Research
Giants–Yankees rivalry - Wikipedia
Uncle Mike's Musings: A Yankees Blog and More: Yankees Do Their Job, Take Game 1 In Houston