found: His Policing a perplexed society, 1977:t.p. (Sir Robert Mark)
found: LC in OCLC, 8-13-85(hdg.: Mark, Robert, Sir)
found: Wikipedia, Dec. 7, 2009(Robert Mark; Sir Robert Mark; b. Mar. 13, 1917; English former police officer who served as Chief Constable of Leicester City Police, and later as Commissioner of the Metropolitan Police from 1972 to 1977; Knight Grand Cross of the Order of the British Empire, 1976; Knight of the Order of Saint John, 1978)
found: Independent online ed., Oct. 5, 2010(Sir Robert Mark; b. Mar. 13, 1917, Manchester; d. Sept. 30, 2010; commissioner of the Metropolitan Police who was ruthless in rooting out corruption)