There are 4 main versions of Gridiron Football: the traditional 11v11 game played in USA, a 12v12 version of the game played in Canada, and a 8v8 version of the game played Indoors on converted Ice Hockey Arenas.
 Professional Football Researchers Association (2011) “No Christian End!” The Early History of Professional Football. pg. 23-32. PFRA Publications. Connecticut
U Sport is the National Governing Body for Canadian University Sports
U Sport (Canadian University Football)
Irish-Born Canadian College players
RSEQ (Réseau du sport étudiant du Québec)
RSEQ University Football (Seasons): 2019