The Cubs' road uniforms had centered numbers in 1972. Here's why

Kasey's Cubs Uniform Number Main Page

See the Chicago Cubs' 'Wrigleyville' uniforms

1978 Topps Baseball Card #585 Woody Fryman Chicago Cubs Nm Free Shipping!

An Overview Of Cubs Road Uniforms 1958-2015 - Bleed Cubbie Blue

The Cubs should retire several more jersey numbers - Bleed Cubbie Blue

Fortunately, I Already Have Plans for That Day

Colors, caps and logos: 113 years of Cubs uniforms

Uni Watch Film Library: King of the Hill

MLB Mixtape Edition (Defunct Teams 1/3) - Concepts - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums

The Changing Game, Part 5. A comprehensive look at “the unchanging…, by John Thorn

MLB Jersey & Cap History

The Definitive 2022 MLB Jersey Power Rankings, News, Scores, Highlights, Stats, and Rumors

The only day MLB players can wear No. 42? Jackie Robinson Day

Topps in 1972, Part 1 – SABR's Baseball Cards Research Committee