October 13, 1921: Giants beat Yankees 1-0 to clinch World Series
October 13, 1921: Giants beat Yankees 1-0 to clinch World Series championship – Society for American Baseball Research
1923 World Series - Wikipedia
1921 Baseball History - This Great Game
MORE
An Epochal World Series, Reviewed
Losing teams that returned to World Series
SABR Century: 1921 All-NYC World Series – Society for American Baseball Research
Yankees beat NY Giants to win first World Series title in 1923 - Pinstripe Alley
October 10, 1951: Yankees edge Giants in Game 6 to win third straight World Series – Society for American Baseball Research
The Sports Report: Clippers in familiar playoff territory - Los Angeles Times
Best MLB postseason rematches
The 1921 New York Yankees – Society for American Baseball Research
New York Giants Win World Series 1921..
Shot Heard 'Round the World (baseball) - Wikipedia