The Main Line Murders
Mallowe, Mike, "Murder on the Main Line," Philadelphia magazine, March 1981.
Costopoulos, William, Principal Suspect, Camino Books, Inc., Philadelphia, PA, 1996.
Schwartz-Nobel, Loretta, Engaged to Murder, Jove Books, New York, NY, 1988.
Wambaugh, Joseph, Echoes in the Darkness, William Morrow and Company, Inc., New York, NY, 1987.
Echoes in the Darkness, Litke-Grossbart Production, produced and directed by Glenn Jordan.