<div class="fn value">
<span lang="en">Anonymous</span> (<a href="https://en.wikipedia.org/wiki/en:Prague" class="extiw" title="w:en:Prague"><span title="capital and largest city of the Czech Republic">Prague</span></a>)<span style="display:none">Unknown author</span> (?)</div>
circa 1624 <div style="display: none;">date QS:P571,+1624-00-00T00:00:00Z/9,P1480,Q5727902</div>
Mieczysław Subotowicz (1988) <i><a rel="nofollow" class="external text" href="http://bazhum.muzhp.pl/media/files/Kwartalnik_Historii_Nauki_i_Techniki/Kwartalnik_Historii_Nauki_i_Techniki-r1988-t33-n2/Kwartalnik_Historii_Nauki_i_Techniki-r1988-t33-n2-s485-494/Kwartalnik_Historii_Nauki_i_Techniki-r1988-t33-n2-s485-494.pdf">Portret i pochodzenie Waleriana Magniego (1586-1661)</a></i> in: <i>Kwartalnik Historii Nauki i Techniki</i>. 33/2, pp. 485-494