When Guns on Jerseys Are Outlawed, Only the Outlaw Jerseys Will Have Guns (or something like that)
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Houston Astros Uniform and Team History
What does Houston Astros stand for?
Astros to bring backs Colt .45s jersey this season - Ballpark Digest
Champs: Astros' first World Series win is a triumph for Houston
A Treasure Trove of Awesome Colt .45s Photos
106 Colt 45s Stock Photos, High-Res Pictures, and Images - Getty Images
Houston Astros uniform changes through the years - ABC13 Houston
Houston Colt 45s
Houston Astros - Wikipedia