Giants vs. Lions October 21, 1962
John Mara, Herm Edwards recall The Fumble 40 years later
History of the New York Giants (1925–78)
Miracle at the Meadowlands - Wikipedia
John Mara - Bio, News, Photos - Washington Times
Guts and Genius by Bob Glauber
New York Giants History - Big Blue Interactive
John Mara accepts blame for what he calls lowest point in his time
Miracle at the Meadowlands, American Football Wiki