1841 - 1918
http://www.wikidata.org/entity/Q3375111
http://dbpedia.org/resource/Rudolf_Hoernl%C3%A9
http://viaf.org/viaf/14837838
http://catalogue.bnf.fr/ark:/12148/cb123053000
http://isni.org/0000000083394500
http://www.idref.fr/081150709
http://d-nb.info/gnd/116932783
http://id.loc.gov/authorities/names/n83172870
http://n2t.net/ark:/99166/w63217pp