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  Deutsche Biographie - Roemer, Friedrich Adolf

  https://www.deutsche-biographie.de/gnd119490455.html#ndbcontent

  Deutsche Biographie

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  Research and Articles - History of Menageries and Animal Exhibition - Shows - Menageries :: National Fairground Archive

  http://web.archive.org/web/20150504071138/http://www.nfa.dept.shef.ac.uk/history/shows/menageries.html

  Keine Beschreibung vorhanden.

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