31 The Lou Gehrig Story Stock Photos, High-Res Pictures, and Images - Getty Images
The retired numbers of Lou Gehrig, Babe Ruth, Joe DiMaggio and Mickey News Photo - Getty Images
Lou Gehrig - Wikipedia
Every MLB team's retired numbers
Lou Gehrig Day: MLB to honor Yankees legend annually - Sports Illustrated
Yankee Legends number 4 Greeting Card by David Lee Thompson
Last Ride of the Iron Horse – Sunbury Press Bookstore
Lou Gehrig – CMG Worldwide
The Baseball 100: No. 14, Lou Gehrig - The Athletic
Lou Gehrig remembered
History of retired numbers dates back to Lou Gehrig Day
New York Yankees Retired Numbers - Sports Illustrated
HALLOWED GROUND: Monument Park, New York Yankees Museum honor greatest players from most legendary team in sports - Sports Collectors Digest