Carol Popp de Szathmary - <i>Ciobănaş</i>, acuarelă pe hârtie, 52x33,5 cm, semnat şi datat dreapta jos, cu brun; localizat stânga jos, cu brun, Szathmary 1880, Balkan.
<bdi><a href="https://en.wikipedia.org/wiki/en:Carol_Szathmari" class="extiw" title="w:en:Carol Szathmari"><span title="Hungarian photographer (1812-1887)">Carol Szathmari</span></a>
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