Data was compiled from the following sources:

• Baltimore Baseball: The Beginning, 1858-1872 by Brian McKenna
• Where They Ain't: The Fabled Life of the Original Baltimore Orioles by Burt Solomon
• Ken Mars and Early Baltimore Baseball History
• The Home Team: Our O's! Baseball & Baltimore
• Baltimore Orioles Franchise Timeline @ MLB.com
• Early Baseball Uniforms
• Early Baltimore Ballparks
• Your Baltimore Canaries
• SABR Digital Library: Baltimore Baseball
• Diffusion of the New York Game in Maryland
• Wikipedia
• SportsLogos.Net