List of events at Wrigley Field - Wikipedia
Wrigley Field: A Century of Survival – Society for American Baseball Research
Wrigley Field: A Century of Survival – Society for American Baseball Research
Wrigley Field: A Century of Survival – Society for American Baseball Research
Wrigley Field construction update: April 4 - Bleed Cubbie Blue
Wrigley Field historical sleuthing: 1916-22 edition - Bleed Cubbie Blue
List of events at Wrigley Field - Wikipedia
Wrigley Field historical sleuthing: 1916-22 edition - Bleed Cubbie Blue
Baseball history unpacked, December 29 - Bleed Cubbie Blue
Wrigley Field: a century of survival - Document - Gale Academic OneFile