Title: Riddle of the rock
First published: 1991
Subjects: Escapes, United States Penitentiary (Alcatraz, Calif.), Case studies, United States Penitentiary, Alcatraz Island, California, E vasions, E tudes de Cas, History, Prisons, united states
Places: Alcatraz Island, California
People: Clarence Anglin, Frank (Frank Lee) Morris, John Anglin
LC classification: HV9474.A4 D485 1991