[{WikipediaArticle oldid='253569562'}]

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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
| Elka Gerster, auch: Etelka Gerster-Gardini, 1855-1920, ungarische Sopranistin.| Zeitschrift "Berliner Leben", Heft 06 (1905).| Fotografen Albert Zander und Siegmund Labisch.| [{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:Etelka Gerster-Gardini (BerlLeben 1905-06 AZander&SLabisch).jpg
| Gerster Etelka egy New York-i fellépésen| http://epa.oszk.hu/00800/00835/00102/2109.html| Jose Maria Mora| [{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:Etelka Gerster.jpg
| Etelka Gerster| Z. Smith Reynolds Library| Jose Maria Mora| [{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:Etelka Gerster by Mora c1880s.png
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