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File:Leopold Ruzicka ETH-Bib Portr 00239.jpg
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File:Leopold Ruzicka ETH-Bib Portr 00239.jpg
Description
Leopold
Ruzicka
ETH
-
Bib
Portr
00239
.
jpg
Deutsch: Porträt von
Leopold
Ružička
Date 1935 Source
ETH
-Bibliothek Zürich, Bildarchiv Author Fr.