[{WikipediaArticle oldid='212805234'}]

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!!!License Information of Images on page
||Image Description||Credit||Artist||License Name||File
| a portrait of Theodor Hertzka| Hertzka: "Freiland"; zehnte Auflage, Dresden, Leipzig und Wien E. Pierson's Verlag, 1896.| E. Pierson's Verlag| [{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:Hertzka.jpg
| Wikisource logo, no text variant| By Rei-artur pt en Rei-artur blog| Nicholas Moreau| [{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:Wikisource-logo.svg
| Theodor Hertzka: Freiland , 1896, Titelblatt Pierson's Verlag| Otto-Lilienthal-Museum Bibliothek| dto.| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='PD-alt-100' align='center' link='https://www.austria-forum.org/cc/pdm-10.html' target='_blank'}]| Datei:Freiland.jpg
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