Dunne, Matt (April 2005). "The Cost of Clearance"(PDF). Independent Magazine. pp. 30–31. Archived(PDF) from the original on July 28, 2020. Retrieved July 28, 2024.
Mazzone, Jason (2006). "Copyfraud"(PDF). New York University Law Review. 81 (3): 1026. Archived from the original(PDF) on March 4, 2016. Retrieved June 17, 2015.
Mazzone, Jason (2006). "Copyfraud"(PDF). New York University Law Review. 81 (3): 1026. Archived from the original(PDF) on March 4, 2016. Retrieved June 17, 2015.
Dunne, Matt (April 2005). "The Cost of Clearance"(PDF). Independent Magazine. pp. 30–31. Archived(PDF) from the original on July 28, 2020. Retrieved July 28, 2024.