The tragedies, Mazeppa, Catharine Howard, Amy Robsart and Der Gotze von Venedig, were very successful; and the historical novels, Im Banne des schwarzen Adlers (1875; 4th ed., 1884), Die Erbschaft des Blutes (1881), Die Tochter Rübezahls (1889), and Verkümmerte Existenzen (1892), enjoyed a high degree of popularity.