NFL Rivalries: What is the oldest rivalry in the NFL History?
A Complete Guide to the Green Bay Packers-Chicago Bears Rivalry, News, Scores, Highlights, Stats, and Rumors
Green Bay Packers - Wikipedia
This Might Finally Be the Cowboys' Year - Sports Illustrated
Cowboys-Packers rivalry: Five greatest moments between these two teams dates back to 1967
Dallas Cowboys - Wikipedia
The Ice Bowl, 50 years later: An oral history of Packers-Cowboys 1967 NFL Championship Game
Top 10 Games in Packers-Cowboys History - Sports Illustrated Green Bay Packers News, Analysis and More
A Complete Guide to the Dallas Cowboys-Philadelphia Eagles Rivalry, News, Scores, Highlights, Stats, and Rumors
Hours Before Dallas Cowboys Take on San Francisco 49ERS, A Historical Moment Involving Aaron Rodgers Resurfaces - EssentiallySports
Let's Admit That the Packers Are the Cowboys' Top Rival Now – Texas Monthly
Green Bay Packers - Wikipedia