@misc{Sommeren_Matthias_van_(czynny_ca_1660)_[Lenz,
 author={Sommeren, Matthias van (czynny ca 1660)},
 howpublished={online},
 language={lat},
 title={[Lenz Johann Kasper]},
 keywords={portrait, man, three-quarters- length, historian, mayor, German graphics, engraving, 17 w., 17. Jh., 17 century, Lenz Johann Kasper (1630-1667), Sommeren, Matthias van (czynny ca 1660)},
}