ISBN 1-84119-225-2* Fido, Martin (1987), "The Crimes, Detection and Death of Jack the Ripper", London: Weidenfeld and Nicolson, ISBN 0-297-79136-2* Marriott, Trevor (2005).
ISBN 1-84119-225-2* Fido, Martin (1987), "The Crimes, Detection and Death of Jack the Ripper", London: Weidenfeld and Nicolson, ISBN 0-297-79136-2* Marriott, Trevor (2005).