a person in the record
Johan de Iongh
2 doctoral students on Wikidata.
Students on Wikidata2
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
- Harrie de Swartborn 1944
- Wim H. M. Veldman
Wikidata run graph-wikidata-20261014T220004Z