Porträtfotografie <a href="https://en.wikipedia.org/wiki/de:Conrad_Kindermann" class="extiw" title="w:de:Conrad Kindermann">W:de:Conrad Kindermann</a>, Autotypie von Patzelt &amp; Krampolek, Wien
Benque &amp; Kindermann
1902
<i>Photographische Korrespondenz</i> 39 (1902), <a rel="nofollow" class="external text" href="https://archive.org/details/bub_gb_STQyAQAAMAAJ/page/n89/mode/1up">S. 64</a>