Today in Cubs history: Ernie Banks hits his 500th home run - Bleed Cubbie Blue

The History of the Chicago Cubs – Giordanos

Cubs historical sleuthing: Hall of Fame edition - Bleed Cubbie Blue

Blast from the past: Banks hit 500th home run 50 years ago

Baseball history unpacked, September 20 - Bleed Cubbie Blue

Banks' 500th home run puts him in rare company

Remembering the 50th Anniversary of Ernie Banks' 500th Home Run

Today in Cubs history: Ernie Banks hits his 512th and final home run - Bleed Cubbie Blue

Ernie Banks: A fan's remembrance - Beyond the Box Score

May 12, 1970: 'Mr. Cub' Ernie Banks reaches milestone with 500th homer – Society for American Baseball Research

1969 Cubs Historical Heroes and Goats: part 23 - Bleed Cubbie Blue