“Legend Director in the Krays’ Taste in Music, Casting Duffy and Tom Hardy’s Sinatra Secret,” by Leonie Cooper, Sept. 9, 2014, nme.com.
“September 1, 1960: Gambling Comes in From the Cold as Betting Shops are Made Legal in Britain,” by Andrea Mann, Sept. 1, 2015, home.bt.com.
“The Krays,” cockneypride.org.
“The Krays — The Kings of the ’60s Casino Scene,” by Richard Luck, Jan. 27, 2016, rightcasino.com.
“The Party Hard Gangsters of ’60s London,” by Anthony Haden, July 31, 2015, dailybeast.com.
The Profession of Violence: The Rise and Fall of the Kray Twins, by John Pearson, Weidenfeld & Nicolson: London, 1972.