ハロルド・ジョーンズ (犯罪者)
Lane, Brian (1991). The Murder Guide to Great Britain. London: Robinson Publishing Ltd.. ISBN 1-854-87083-1
Lane, Brian; Gregg, Wilfred (1995) [1992]. The Encyclopedia of Serial Killers. New York City: Berkley Book. pp. 232–233. ISBN 0-425-15213-8. https://archive.org/details/encyclopediaofse00lane/page/232
Mason, Fergus (2013). Exposing Jack the Stripper: A Biography of the Worst Serial Killer You've Probably Never Heard Of. London: Absolute Crime Books. ISBN 978-1-492-21043-6
Milkins, Neil (2008). Every Mother's Nightmare: Abertillery in Mourning.