title: [Jan Versluys (1 September 1873-21 January 1939)].
mesh_terms: D001317:Austria; D049672:History, 19th Century; D049673:History, 20th Century; D009426:Netherlands; D015046:Zoology / Q000266:history
vernacular_title: Jan Versluys (1. September 1873, 21. Januar 1939).