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Keywords: Abgebildete Person: Euler, Leonhard. Kupferstich, 1780, 276 x 202 mm (Platte), im Bestand der Universitätsbibliothek Leipzig, Porträtstichsammlung IICVII, 51 Bl. 6 ( siehe auch www.portraitindex.de/documents/obj/33211983 ). This work has been identified as being free of known restrictions under copyright law, including all related and neighboring rights ( creativecommons.org/publicdomain/mark/1.0/ ). Leipzig University Library, 2015. |