^Croker (1857). See p.556 (页面存档备份,存于互联网档案馆): "It was in exhibiting one of these heads to the people that the younger Sanson [Gabriel] fell off the scaffold and was killed." See alsop.570 (页面存档备份,存于互联网档案馆): "He [Charles-Henri] had two sons, but one of these was killed on August 27, 1792, by falling from the scaffold...."
^Leonard Cottrell, Madame Tussaud, Evans Brothers Limited, 1952, p. 142-43.
^Croker (1857); p.534 ff. Croker includes the full text of Sanson's "Memorandum of Observations on the Execution of Criminals by Beheading.".
^Gerould, Daniel (1992); Guillotine: Its Legend and Lore; Blast, NY; ISBN 0-922233-02-0. 参见p.14. |"[I]n March, 1792... he [Sanson] explained the need for a new instrument. His sword grew blunt after each decapitation, (etc.)". 也参见 Croker (1857), p.534: "It is to be considered [wrote Sanson] that when there shall be several criminals to execute at the same time, the terror that such an execution presents... [would be] an invincible obstacle...."
^Gerould (1992). 详见 pp.23-24: "The guillotine was first tested on April 17, 1792, at the famous Bicêtre Hospital... Accompanied by his two brothers and son, Sanson supervised the proceedings."
^National Museum of Crime and Punishment互联网档案馆的存檔,存档日期2009-02-01., Washington, DC. Retrieved August 2010: "...[I]n 1792, Nicholas-Jacques Pelletier became the first person to be put to death with a guillotine."