[{WikipediaArticle oldid='218854083'}]

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| Rudolf Prikryl, later mayor of Vienna, during the Spanish civil war (1937)| https://www.doew.at/erinnern/biographien/spanienarchiv-online/spanienfreiwillige-p/prikryl-rudolf| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Rudolf-Prikryl-Karl-Bauer-Jg-1911-Ferdinand-Hackl (cropped).jpg
| From left to right: The Viennese fighters in the Spanish civil war: Rudolf Prikryl, Karl Bauer (born 1911), Ferdinand Hackl. The three men traveled from Austria to Spain and fought on the side of the Spanish Republic from 1937. Photo is taken in Benissa in December 1937. (Dokumentationsarchiv des österreichischen Widerstandes - DÖW photo 6046)| https://www.doew.at/erinnern/biographien/spanienarchiv-online/spanienfreiwillige-p/prikryl-rudolf| Autor/-in unbekannt Unknown author| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Rudolf Prikryl, Karl-Bauer, Ferdinand Hackl in Spain (1937).jpg
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