The Barton Mystery is a 1916 play by the Anglo-American writer Walter C. Hackett. It was first performed at the Savoy Theatre in London, lasting for 165 performances. Its run in New York the following year was less successful and it closed after just twenty shows. The play mixes elements of a whodunit detective mystery with farce. It has been turned into three films: The Barton Mystery, a 1920 silent British film The Barton Mystery, a 1932 British film The Barton Mystery, a 1949 French film Source: Wikipedia (en)