All-American Girls Professional Baseball League - Wikipedia
National Baseball Hall of Fame - Dressed to the Nines - Parts of
National Baseball Hall of Fame - Dressed to the Nines - Timeline
Tampa's Fred McGriff parlayed simple math into a plaque in Cooperstown
Why baseball managers wear uniforms
National Baseball Hall of Fame - Dressed to the Nines - Uniform
Uniform number (Major League Baseball) - Wikipedia
National Baseball Hall of Fame - Dressed to the Nines - Uniform
MLB's New Rules Have Baseball in Overdrive - The New York Times