<a href="//commons.wikimedia.org/wiki/Category:August_von_Parseval" title="Category:August von Parseval">August von Parseval</a>, 1902
<a href="//commons.wikimedia.org/wiki/Category:Reichard_%26_Lindner" title="Category:Reichard &amp; Lindner">Reichard &amp; Lindner</a>, Berlin
1902
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