Identifiers
WikiData URI | http://www.wikidata.org/entity/Q1826152 |
Biografisch Portaal | http://www.biografischportaal.nl/persoon/31724051 |
Amsterdam Museum | http://hdl.handle.net/11259/people.7184 |
VIAF | http://viaf.org/viaf/27288552 |
Adamlink URI | https://adamlink.nl/person/helmers-jan-frederik/7795 |