Harvey Murray Glatman: First of the Signature Killers
In gathering data for Harvey Glatman: First of the Signature Killers, I referred to the following excellent sources:
Keppel, Ph.D., Robert D. and Birnes, William J. Signature Killers NY: Pocket Books,1997.
Michaud, Stephen G. and Hazelwood, Roy The Evil That Men Do NY" St. Martin's Press, 1998.
Newton, Michael Rope NY: Pocket Books, 1998.
Los Angeles Times
The Crime Library's Interview with Roy Hazelwood in the "Mass & Serial Murders" category.