The Companions of Jehu by Alexandre Dumas: “We admire the Marquis de Posa in Schiller's 'Don Carlos'”
Buddenbrooks by Thomas Mann: “Once he had played the rôle of Domingo in an amateur performance of Schiller’s “Don Carlos””
The Magic Mountain by Thomas Mann: “Have you ever seen a production of Don Carlos—the way things were done at the Spanish court? When King Philip enters, all in black...”
Ben-Hur by Lew Wallace: “Whose consciences may calmly wait their right." Schiller, Don Carlos (act iv., sc. xv.)”