Nash 1984, p. 67. Nash, Jay Robert (1984). Jay Robert Nash's Crime Chronology: A Worldwide Record 1900-1983. New York: Rowman & Littlefield. ISBN978-1-461-74771-0. OCLC914150116.
Nash 1998, p. 308. Nash, Jay Robert (1998). Terrorism in the 20th Century: A Narrative Encyclopedia From the Anarchists, through the Weathermen, to the Unabomber. New York: Rowman & Littlefield. ISBN978-1-461-74769-7. OCLC607126604.
Nash 1998, pp. 308–9. Nash, Jay Robert (1998). Terrorism in the 20th Century: A Narrative Encyclopedia From the Anarchists, through the Weathermen, to the Unabomber. New York: Rowman & Littlefield. ISBN978-1-461-74769-7. OCLC607126604.
Swainger & Backhouse 2011, p. 112. Swainger, Jonathan; Backhouse, Constance, eds. (2011) [2004]. People and Place: Historical Influences on Legal Culture. Vancouver: University of British Columbia Press. ISBN978-0-774-84033-0. OCLC225889300. {{cite book}}: |first2= has generic name (help)CS1 maint: multiple names: authors list (link)
Nash 1984, pp. 66–7. Nash, Jay Robert (1984). Jay Robert Nash's Crime Chronology: A Worldwide Record 1900-1983. New York: Rowman & Littlefield. ISBN978-1-461-74771-0. OCLC914150116.
Nash 1998, p. 309. Nash, Jay Robert (1998). Terrorism in the 20th Century: A Narrative Encyclopedia From the Anarchists, through the Weathermen, to the Unabomber. New York: Rowman & Littlefield. ISBN978-1-461-74769-7. OCLC607126604.