Heriberto 'Eddie' Seda
Crowley, Kieran, Sleep My Little Dead. St. Martins Paperbacks. 1997.
Onishi, Norimitsu, Zodiac Case Suspect Remains an Enigma. The New York Times. December 15, 1996.
Stout, David, The Trail of the Zodiac: Tracking a Killer. The New York Times. June 22, 1996.
Toy, Vivian S., Life Sentence for Three Zodiac Murders. The New York Times. July 23, 1998.