Olaf Gulbransson, Under the Midnight Sun, in: Simplicissimus, vol. 16, 1911, p. 219 (Berlin, Deutsches Historisches Museum)	The Kaiser with his Entourage on S. M. S. Sleipner in Sognefjord, postcard, 8.5 x 13.6 cm (Berlin, Deutsches Historisches Museum)