Wojciech Kossak's Kennkarte
Unknown author<span style="display: none;">Unknown author</span>
1940
Kazimierz Olszanski: <i>Wojciech Kossak</i>, Ossolineum 1982, <a href="//commons.wikimedia.org/wiki/Special:BookSources/83-04-01297-9" title="Special:BookSources/83-04-01297-9">ISBN 83-04-01297-9</a>