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||Image Description||Credit||Artist||License Name||File
| Ernst Popp (Arnošt Popp) - Portrait of Bernard Bolzano (1849)| Eigenes Werk| Ablakok| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 4.0' align='center' link='https://www.austria-forum.org/cc/by-sa-40.html' target='_blank'}]| Datei:Ernst Popp - Portrait of Bernard Bolzano.jpg
| Ernst Popp (Arnošt Popp) - Portrait of Bernard Bolzano (1849)| Eigenes Werk| Ablakok| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 4.0' align='center' link='https://www.austria-forum.org/cc/by-sa-40.html' target='_blank'}]| Datei:Ernst Popp - Portrait of Bruno Bolzano.jpg
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