Cartoon from the Czech magazin <i>Humoristické listy</i> from 1892, depicting Otto von Bismarck and the German emperor Wilhelm II.
Unknown author<span style="display: none;">Unknown author</span>
<i>Humoristické listy</i> 1892; Scan from: Herwig Guratzsch (Ed.): <i>Der Lotse geht von Bord. Zum 100. Geburtstag der weltberühmten Karikatur.</i> Wilhelm-Busch-Gesellschaft, 1990, <a href="//commons.wikimedia.org/wiki/Special:BookSources/3-921752-28-0" title="Special:BookSources/3-921752-28-0">ISBN 3-921752-28-0</a>, p. 17.