[{WikipediaArticle oldid='223112072'}]

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!!!License Information of Images on page
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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
| Schallplatte von Leopold Demuth| Eigenes Werk| Zylberglajs| [{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:Demuth, Leopold.jpg
| Leopold Demuth als „Vagabund“ in der gleichnamigen Leroux'schen Oper| Sport & Salon , vol. 12, nr. 13 (27. März 1909), p. 9 http://anno.onb.ac.at/cgi-content/anno?aid=sus&datum=19090327&seite=9| Ludwig Grillich| [{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:Leopold Demuth als „Vagabund“ (Leroux) 1909 Grillich.jpg
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