Polish Army capturing Český Těšín (Czeski Cieszyn), Zaolzie in 1938 (7TP tanks)
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span>
<a rel="nofollow" class="external text" href="https://audiovis.nac.gov.pl/obraz/70592">Narodowe Archiwum Cyfrowe (Sygnatura: 1-H-487-32)</a> (Polish National Digital Archive)