How Spring Baseball Came to Florida – Orange County Regional History Center
Minor League Ballpark Guides
Major League Baseball - Wikipedia
Phillies: A History of Spring Training Sites - The Good Phight
Boundary Stones WETA's Washington DC Local History Website
Different sites host rites of spring
Spring Training History: When Ballclubs Flocked to Southern California, Lost LA, Food & Discovery
Baseball Archives - Edward Branley - The NOLA History Guy
A Brief History of Spring Training
Joan Waugh's Gilded Age Homepage
Tribe 2021 Spring Training Schedule - News-Talk 1480 WHBC