Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q13724292 |
| Biografisch Portaal | http://www.biografischportaal.nl/persoon/24235450 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.15988 |
| VIAF | http://viaf.org/viaf/190974904 |
| Adamlink URI | https://adamlink.nl/person/spiekman-hendrik/9141 |
