Writing Harry Engholm Other Credits Docking the Boat Sound 1965 The Battles of Coronel and Falkland Islands Writer 1927 The Valley of Fear Screenplay 1916 Milestones Script 1916 Buttons Writer 1915 A Study in Scarlet Writer 1914 Lights of London Writer 1914 Sixty Years a Queen Scenario Writer 1913 East Lynne Adaptation 1913 Agent-readable