Past/Present: Romo among 15 former Cowboys listed as HOF nominees
2007 Houston Texans Media Guide, PDF, Denver Broncos
The play that earned Tony Romo a spot on the Dallas Cowboys roster (2004)
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2012 Oakland Raiders Media Guide (292p), PDF, Denver Broncos
The Britannica Guide To Football, PDF, American Football Leagues
Index card ruling on crucial 4th down draws ire of Oakland Raiders in loss to Dallas Cowboys - ESPN
2011 Colts Media Guide - Nfl
Oakland, California, USA. 7th Dec, 1980. Oakland Raiders vs Dallas Cowboys at Oakland-Alameda County Coliseum Sunday, December 7, 1980. L-R Guard Henry Lawrence (70), Guard Gene Upshaw (63), Tackle Art Shell (78)