<i>Altar of Sigismund III Vasa</i>.
<div class="fn value">
Unknown author<span style="display: none;">Unknown author</span></div>
1610s <div style="display: none;">date QS:P571,+1610-00-00T00:00:00Z/8</div>
ed. Stefan Kieniewicz (1984). <i>Warszawa w latach 1526-1795 (Warsaw in 1526-1795)</i>, vol. II, Państwowe Wydawictwo Naukowe. <a href="//commons.wikimedia.org/wiki/Special:BookSources/83-01033-23-1" title="Special:BookSources/83-01033-23-1">ISBN 83-01033-23-1</a>