Authority files
http://catalogue.bnf.fr/ark:/12148/cb16268840z
http://id.loc.gov/rwo/agents/n2021009114
http://isni.org/isni/0000000118729906
http://viaf.org/viaf/11057583
https://d-nb.info/gnd/134170423/about
https://www.deutsche-digitale-bibliothek.de/person/gnd/134170423