. . . . . "The Blue Mountains Mystery"@en . "1921-11-05"^^ . . "Dan Carroll"@en . "The Blue Mountains Mystery"@en . . . . "English intertitles"@en . "4000.0"^^ . . . "Australia"@en . . . . . . . . . . . . . . "8213"^^ . . . . . . . . . . "Marjorie Osborne"@en . . . . . . . "The Blue Mountains Mystery is a lost 1921 Australian silent film directed by Raymond Longford and co-directed by Lottie Lyell. The film was derived from the 1919 novel The Mount Marunga Mystery by Harrison Owen. It is considered a lost film."@en . . . . . . . . . . . "Hotel guests including Billy Williams and Majorie Osborne examine the supposedly dead Henry Tracey ."@en . "1108762995"^^ . . . . . . . . . . . . . . . . . . . . . . . "4000.0"^^ . "0011981" . . . . . . "The Blue Mountains Mystery"@en . "The Blue Mountains Mystery"@en . . . . . . . "25714056"^^ . . . . . . . . . . . . "The Blue Mountains Mystery is a lost 1921 Australian silent film directed by Raymond Longford and co-directed by Lottie Lyell. The film was derived from the 1919 novel The Mount Marunga Mystery by Harrison Owen. It is considered a lost film."@en . . . "The Mount Marunga Mystery by Harrison Owen"@en . . . . "6000.0"^^ . . . "1921-11-05"^^ . . . . . . . "11981"^^ . . . . . . . . .