John Philip Jenkins: Jack the Ripper. In: britannica.com. Abgerufen am 12. Mai 2020.
british-history.ac.uk
Alex Werner, Museum of London, Museum in Docklands: Jack the Ripper and the East End. Chatto & Windus, London 2008, S.177–179. Siehe auch: "The Fossan (Keate and Tonge) estate", Survey of London: volume 27: Spitalfields and Mile End New Town (1957), S. 245–251, abgerufen am 18. Januar 2010.
Gerard Spicer: The Thames Torso Murders of 1887–89. In: Casebook: Jack the Ripper. Abgerufen am 21. August 2015. M. J. Trow: The Thames Torso Murders. Wharncliffe Books, Barnsley, South Yorkshire 2011: „the Thames torso murderer has gripped readers and historians ever since he committed his crimes in the 1870s and 1880s“
Paul Woods: Saucy Jack : the elusive Ripper. Ian Allan, Hersham 2009, S.21f. Another Terrible Murder in Whitechapel, The Waterford News, 9. November 1888. Abgerufen am 22. August 2021
The Enduring Mystery of Jack the Ripper (Memento vom 4. Februar 2010 im Internet Archive), Metropolitan Police, abgerufen am 1. Mai 2009 Andrew Cook: Jack the Ripper : case closed. Amberley, Stroud 2009, S.33f. Stewart P. Evans: The ultimate Jack the Ripper sourcebook : an illustrated encyclopedia. Robinson, London 2000, S.3.