A Day In Wrigley Field History: September 15, 1968 - Bleed Cubbie Blue
History of Wrigley Field - Wikipedia
Baseball history unpacked, September 15 - Bleed Cubbie Blue
Wrigley Field historical sleuthing: A very small crowd - Bleed Cubbie Blue
Wrigley Field historical sleuthing: 1916-22 edition - Bleed Cubbie Blue
Baseball history unpacked, September 11 - Bleed Cubbie Blue
Baseball history unpacked, September 11 - Bleed Cubbie Blue
Flirting with destiny: Near no-hitters by inning - Beyond the Box Score
Baseball history unpacked, July 31 - Bleed Cubbie Blue
Don't Tell Them any Different”: Don Kessinger Night Caps a Long Career – Society for American Baseball Research
A Game From Cubs History: June 16, 1968 - Bleed Cubbie Blue
A Day In Wrigley Field History: September 28, 2005 - Bleed Cubbie Blue
PDF) EDITED BY STUART SHEA North Side, South Side, All Around the Town Baseball in Chicago
A History Of Wrigley Field Changes - Bleed Cubbie Blue
List of events at Wrigley Field - Wikipedia