Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q1871563 |
| VIAF | http://viaf.org/viaf/47508644 |
| PPN | http://data.bibliotheken.nl/id/thes/p070003890 |
| Adamlink URI | https://adamlink.nl/person/bolk-louis/14463 |
| WikiData URI | http://www.wikidata.org/entity/Q1871563 |
| VIAF | http://viaf.org/viaf/47508644 |
| PPN | http://data.bibliotheken.nl/id/thes/p070003890 |
| Adamlink URI | https://adamlink.nl/person/bolk-louis/14463 |