Houston Astros Team History
Houston Astros Wear Throwback Colt .45s Jerseys on Team's 50th Anniversary, News, Scores, Highlights, Stats, and Rumors
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Houston Astros Uniform and Team History
When the Colt .45s became the Astros and the origins of other Houston sports team names
Houston's sports ties with NASA go beyond Astros
Houston Colt 45's Team History
Astrodome, Description, History, & Facts
Houston Astros - Students, Britannica Kids
Bitter beginnings: The untold story of how the Rangers-Astros rivalry was born
Houston Astros - Wikipedia
Colt .45s: Which MLB team was formerly known as the Colt .45s?