Charles Whitman: The Texas Bell Tower Sniper
Fox, James Alan and Jack Levin, Mass Murder and Serial Killing Exposed. Dell Publishing, 1996.
Lane, Brian and Wilfred Gregg, The Encyclopedia of Mass Murder. London: Headline Book Publishing, 1994.
Lavergne, Gary M., A Sniper in the Tower: The True Story of the Texas Tower Massacre. Bantam, 1997.
Newton, Michael, Mass Murder: An Annotated Bibliography. New York: Garland, 1988.
Steiger, Brad, The Mass Murderer. New York: Award Books, 1967.
Contemporary accounts may also be found in archives of these Texas newspapers: Dallas Morning News and the Austin American-Statesman