Title: The empty cross
Subjects: Civilization, Medieval, in literature, Criticism and interpretation, Dramatic works, European drama, Frustration in literature, History, History and criticism, Medievalism, Middle Ages in literature, Drama, history and criticism, 20th century
People: August Strindberg (1849-1912), Georg Kaiser (1878-1945), Maurice Maeterlinck (1862-1949), Paul Claudel (1868-1955)
Time periods: 19th century, 20th century