EditorialSiegfried Battles with the Gatekeeper as Alberich Approaches; Julius Schnorr von Carolsfeld, German, 1794 - 1872; Germany, Europe; 1865; Black ink and graphite; Image: 20.1 x 13.5 cm (7 15/16 x 5 5/16 in.), 29.4 x 20.4 cm (11 9/16 x 8 1/16 in.).