Elston Howard broke the Yankees' color-barrier in 1955 - Sports Illustrated
Remembering Yankees trailblazer Elston Howard, who never got to see his dream of managing in the big leagues - The Athletic
The Yankees of Mediocrity Had Their Own Strange Charisma - The New York Times
Harmonica Incident - Wikipedia
New York Yankees: Ranking 50 Biggest Fan Favorites in Franchise History, News, Scores, Highlights, Stats, and Rumors
Let's Remember Elston Howard and the Yankees' Historic Day, April 14, 1955
Yankees resume annual Old-Timers' Day after pandemic pause
Yankees legend Elston Howard got start in Negro Leagues
Yankees Red Sox 1978: How a newspaper strike fueled a rally - Sports Illustrated
Examining the Yankees' Positions: Catchers - Pinstriped Prospects