Why are animals so prevalent in American sports, while in other countries sports teams don't have mascots? - Quora
National Mascot Day on June 17
Detroit Lions Football Education - Roary Guidelines
Booze, Shame And Tripping Out: A Sporting History Of Lion Mascots - Flashbak
Detroit Lions Mascot - Roary
Ranking the NFL's Mascots - Sports Illustrated
Detroit Lions - Wikipedia
Detroit Lions, American Football Database
T.D. (Miami Dolphins), SportsMascots Wikia
Detroit Lions - Wikipedia
Booze, Shame And Tripping Out: A Sporting History Of Lion Mascots - Flashbak