an article by <a href="https://cs.wikipedia.org/wiki/Vlastimil_Novobilsk%C3%BD" class="extiw" title="cs:Vlastimil Novobilský">Vlastimil Novobilský</a> about <a href="https://cs.wikipedia.org/wiki/Ota_Ginz" class="extiw" title="cs:Ota Ginz">Ota Ginz</a> (2010), in the original version in Esperanto; copyrighted picture on p. 3 has been blurred
Vlastimil Novobilský
CC BY 3.0
Novobilský, Vlastimil: <i>Ota Ginz. Esperantisto en Ĉeĥoslovakio</i> In <i>La arto labori kune. Festlibro por Humphrey Tonkin</i> Red. Detlev Blanke kaj Ulrich Lins. Rotterdam: UEA 2010. 901 p.  25  cm. <a href="//commons.wikimedia.org/wiki/Special:BookSources/978-92-9017-113-3" title="Special:BookSources/978-92-9017-113-3">ISBN 978-92-9017-113-3</a>