Middle classes, Nineteenth century, Social life and customs, Intellectual life, Modern Civilization, Civilization, Middle class, Schnitzler, Arthur, 1862-1931, History, Civilization, modern, 20th century, Civilization, modern, 19th century, Middle class, europe, Europe, social life and customs, Europe, intellectual life, Europe, civilization, history, New York Times reviewed, Manners and customs, Bürgertum, Kultur, Mittelstand, Cultuurgeschiedenis, Burgerij, Bourgeoisie, Moeurs et coutumes, Vie