(de-de)viaf.orghttp://collection.britishmuseum.org/id/person-institution/140677collection.britishmuseum.orghttp://d-nb.info/gnd/102393923d-nb.infohttps://www.freebase.com/m/02rw7zwww.freebase.comhttps://www.wikidata.org/entity/Q352506www.wikidata.org。