• Fenton, Carroll Lane and Fenton, Mildred Adams; "The Fossil Book: A Record of Prehistoric Life": 1958. Doubleday, New York.
• Hodgson, Edward S. and Mathewson, Robert; "Sensory Biology of Sharks, Skates, and Rays": 1978. Office of Navy Research Department of the Navy, Arlington.
• Janvier, Phillippe; "Early Vertebrates": 1996. Oxford University Press, New York.
• Matthews, Downs; "Sharks! The Mysterious Killers": 1996. Random House, New York
• Prothero, Donald R.; "Bringing Fossils to Life": 1998. McGraw Hill, New York.
• Snyderman, Marty; "Shark: Endangered Predator of the Sea": 1995. Key Porter Books Limited, Toronto.
• Stafford-Deitsch, Jeremy; "Shark: A Photographer's Story": 1987. Sierra Club Books, San Francisco.
• Sternham, Morton M. and Kane, Joseph W.; "General Physics": 1991. John Wiley and Sons, New York.
• Various Authors; "Sharks": 1987. Facts on File, New York.

bharris@chat.carleton.ca