Professor Johannes Otzen 1906SimilarLudwig Wilhelm, Duke in BavariaMichael Obrenowitsch, Fürst von SerbienNapoleon III. Kaiser der FranzosenFranz MuellerBrig-Gen David Henderson - Public domain postcard scanHIRAGA, TOKUTARO COMMANDER - Public domain portrait photographMoreRelatedMoreProfessor Johannes Otzen 1906file_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummaryDeutsch: Professor Johannes Otzen, 1906label_outlineTags1906 portrait photographs of menaura hertwigdie woche 1906johannes otzendate_rangeDate1906createSourceWikimedia CommonslinkLinkhttp://commons.wikimedia.org/copyrightCopyright infopublic domain