NFL International Series - Wikipedia
NFL International Series: History of games outside America – NBC New York
List of every NFL game played internationally
The Geography of NFL Fandom - The Atlantic
NFL International Series: History of games outside America – NBC New York
NFL announces five games for 2023 International Series
New England Patriots Announce Full 2022 Schedule
NFL awards int'l business rights to 18 teams
Creating the NFL Schedule
The History of the NFL International Series in London
NFL announces five games for 2022 International Series