What Is The Madden Curse?
The Madden Cover Curse: Proving It's Fake, by Marc Price
The history of the Madden Curse
What Is The Madden Curse?
Bibliography - Security Engineering - Wiley Online Library
The Studies and Experiments – A Practicum in Behavioral Economics
The history of the Madden Curse
A History of England in the Eighteenth Century, vol. VIII
CryptoPunkets #238 - CryptoPunkets
The Madden Cover Curse: Proving It's Fake, by Marc Price