Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q20113701 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.33219 |
| VIAF | http://viaf.org/viaf/23919015 |
| Adamlink URI | https://adamlink.nl/person/wichers-jan-gerhard/7545 |
| WikiData URI | http://www.wikidata.org/entity/Q20113701 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.33219 |
| VIAF | http://viaf.org/viaf/23919015 |
| Adamlink URI | https://adamlink.nl/person/wichers-jan-gerhard/7545 |