Portreto de Adamo Zamenhof, ĉ. 1909
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://mdc2.cbuc.cat/cdm/compoundobject/collection/feminal/id/2070/rec/29">Feminal. Núm. 029 (29 ag. 1909)</a>