Presenting <a href="//commons.wikimedia.org/wiki/Esperanto" class="mw-redirect" title="Esperanto">Esperanto</a> shortly after German occupation in <a href="//commons.wikimedia.org/wiki/Liberec" class="mw-redirect" title="Liberec">Reichenberg</a>, <a href="//commons.wikimedia.org/wiki/%C4%8Ceskoslovensko" class="mw-redirect" title="Československo">Czechoslowakia</a>.
Teo Jung, redaktisto de IEL
CC BY-SA 3.0 cz
<a href="//commons.wikimedia.org/wiki/File:1939-01-p-9-praktiko-sudet.jpg" title="File:1939-01-p-9-praktiko-sudet.jpg">1939-01-p-9-praktiko-sudet.jpg</a>