<i>Źródło</i>: Adolf Rosenberg: <i>A. Klamroth : ein Meister der Pastellmalerei</i><br><i>Adres wydawniczy</i>: Leipzig : H. Seemann, 1901
<bdi><a href="https://en.wikipedia.org/wiki/en:Georg_Brokesch" class="extiw" title="w:en:Georg Brokesch"><span title="German photographer (1849-1896)">Georg Brokesch</span></a>
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<bdi><a href="https://en.wikipedia.org/wiki/en:National_Library_of_Poland" class="extiw" title="w:en:National Library of Poland"><span title="national library">National Library of Poland</span></a>
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