 Later plays were staged at the Abbey Theatre, including "The Labour Leader" (1919) and "The Yellow Bittern" (1920).He also wrote short stories, including the collections "A Munster Twilight" (1916), "The Hounds of Banba" (1920), "The Stormy Hills" (1929), and "Earth Out of Earth" (1939), and a novel, "The Threshold of Quiet" (1917).His non-fiction included "The Hidden Ireland" (1924), a highly influential work about the riches of eighteenth-century Irish poetry.