Jersey Signed by Teammates to Cancer-Stricken Jim Umbricht at Auction
Cooperstown Confidential: Resurrecting the Houston Colt .45s
jongree – SABR's Baseball Cards Research Committee
1963 Jim Umbricht Game Worn Houston Colt 45's Jersey Signed by the
The Houston Colt .45s Baseball Club 1962-1964
Batting 1.000. Really. - BallNine
The Astrodome Opens, April 9, 1965 – The Indoor Era in Baseball
April 12, 1965: Phillies win first regular-season game in the
The Houston Astros have retired 9 numbers of former players
Batting 1.000. Really. - BallNine
LuceneTrec/samples/wiki_04 at master · csarron/LuceneTrec · GitHub
jongree – SABR's Baseball Cards Research Committee