Sources: Esmeralda’s Barn: The Hijacked Casino (Part 1)

Legend Director in the Krays’ Taste in Music, Casting Duffy and Tom Hardy’s Sinatra Secret,” by Leonie Cooper, Sept. 9, 2014,

“September 1, 1960: Gambling Comes in From the Cold as Betting Shops are Made Legal in Britain,” by Andrea Mann, Sept. 1, 2015,

“The Krays,”

“The Krays — The Kings of the ’60s Casino Scene,” by Richard Luck, Jan. 27, 2016,

“The Party Hard Gangsters of ’60s London,” by Anthony Haden, July 31, 2015,

The Profession of Violence: The Rise and Fall of the Kray Twins, by John Pearson, Weidenfeld & Nicolson: London, 1972.