How the Houston Astros Finally Hit on a Formula That Worked for Them - The New York Times
Astros never shy about showing their colors
What's In The Astros Name?
The Stars Rise Again
houston colt 45s – SportsLogos.Net News
When the Colt .45s became the Astros and the origins of other Houston sports team names
When the Colt .45s became the Astros and the origins of other Houston sports team names
Joe Morgan, an early Astros star, dies at 77
Houston Astros - Wikipedia
Colt .45s become first team in Lone Star State, National Sports
Franchise Greats - Houston Astros - Bloodline Entertainment Network