Identifiers
| Amsterdam Museum | http://hdl.handle.net/11259/people.22788 |
| VIAF | http://viaf.org/viaf/90627629 |
| PPN | http://data.bibliotheken.nl/id/thes/p068139497 |
| Adamlink URI | https://adamlink.nl/person/backer-jacob/6108 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.22788 |
| VIAF | http://viaf.org/viaf/90627629 |
| PPN | http://data.bibliotheken.nl/id/thes/p068139497 |
| Adamlink URI | https://adamlink.nl/person/backer-jacob/6108 |