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| The Wikimedia Commons logo, SVG version.| Original created by Reidab ( PNG version ) SVG version was created by Grunt and cleaned up by 3247 . Re-creation with SVG geometry features by Pumbaa , using a proper partial circle and SVG geometry features. (Former versions used to be slightly warped.)| Reidab , Grunt , 3247 , Pumbaa| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 3.0' align='center' link='https://www.austria-forum.org/cc/by-sa-30.html' target='_blank'}]| Datei:Commons-logo.svg
| Josef Székely (1838–1901), österreichisch-ungarischer Chemiker und Fotograf| Ludwig Schrank: Gedenkblatt zum 40jährigen Jubiläum der Photographischen Gesellschaft in Wien . In: Photographische Correspondenz , vol. 38, nr. 494 (November 1901), p. 655–674 Portrait p. 657: https://books.google.com/books?id=wegWAAAAYAAJ&pg=PA657| Anonym 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:Dr. Jos. Székely 1901 Photographische Correspondenz.png
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