The rising popularity of American Football in Germany – GermanyinUSA
N.F.L. Pulls the Plug on Its League in Europe - The New York Times
When Will We See An NFL Team in Europe?
What does the NFL need to do to crack Europe?
Italy crowned American Football champions of Europe - Wanted in Rome
NFL Europe World Bowl 2004, Gelsenkirchen; Frankfurt Galaxy - Berlin News Photo - Getty Images
NFL Europe Week 4 Preview
NFL: Why did NFL Europe fail?
Why is the NFL not international? - Quora
NFL revolution: More Europe, more health, more diversity?