«The Garotte». capitalpunishmentuk.org. Besøkt 5. mai 2019.
todayifoundout.com
«THE LONDON GARROTTING PANIC OF THE MID-19TH CENTURY». todayifoundout.com. Besøkt 5. mai 2019. «In particular, the so-called “garrotting” cases, where someone strangles someone else, often using their arm or a length of wire, cord, or cloth, seemed to touch the rawest nerve with the people of London, with the fear of garrotting reaching a fever-pitch in the 1860s.»
torturemuseum.net
«The Garrote». torturemuseum.net. Besøkt 5. mai 2019.