History of Yankees Cap - New Era Yankees Cap at MoMA Exhibit
Yankees and Red Sox Will Meet in Wild-Card Game - The New York Times
New York Yankees Color Scheme, by New Yorkel
Appreciating the retired single-digit numbers of the New York Yankees
New York Yankees uniforms are iconic, but team considered replacing traditional road grays in 1974 - ESPN
George Just Rolled In His Grave” - Uniform Change to Classic Pinstripes Leave New York Yankees Fans Enraged - EssentiallySports
The Yankees are giving up on a century-old tradition
New York Yankees jersey addition branded disgusting by Dave Portnoy - Mirror Online
Yankees history: When the Yankees got their pinstripes - Pinstripe Alley
Yankees' New York logo origin