Broom, T., & Joly, J. R. (1810). Assassination!!!: Brooms's authentic account of the attempt to assassinate His Royal Highness the Duke of Cumberland [aft. King of Hanover] at his apartments in St. James's Palace on Thursday morning, May 31, 1810, by Joseph Seillis [or rather Sellis], his valet : with every interesting particular of the suicide, and the whole of the evidence given on the inquest taken before the coroner, with the Jury's verdict : embellished with an accurate representation of this horrid attempt. Published by T. Broom.

Broom, T., and Jaspar Robert Joly. Assassination!!!: Brooms's Authentic Account of the Attempt to Assassinate His Royal Highness the Duke of Cumberland [aft. King of Hanover] at His Apartments in St. James's Palace on Thursday Morning, May 31, 1810, by Joseph Seillis [or Rather Sellis], His Valet : With Every Interesting Particular of the Suicide, and the Whole of the Evidence Given on the Inquest Taken Before the Coroner, with the Jury's Verdict : Embellished with an Accurate Representation of This Horrid Attempt. Published by T. Broom, 1810.