Babe Ruth's 1920 jersey goes for whopping $4.4 million – Orange County Register
Earliest known Babe Ruth jersey sells for record $4.4M
Babe Ruth game-worn 1920s Yankees jersey could set new auction record - Newsday
Rare Babe Ruth jersey sells for record $5.64 million – most-expensive sports memorabilia item ever - ABC News
SABR Century: 1921 Rise of the Yankees – Society for American Baseball Research
Babe Ruth Career Highlights - This Day In Baseball
Babe Ruth's circa 1920 New York Yankees' jersey is predicted to sell for a record sum
Babe Ruth's Yankees Jersey Expected to Auction for Record Sum
The record auction for a Yankees' shirt
5 Babe Ruth Memorabilia Items With Eye-Popping Price Tags