a person in the record
Frederieke van Perlo
Doctoral advisors on Wikidata: Antonius Gerardus Steerneman and Ruud H. Koning.
Advisors on Wikidata
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
Wikidata run graph-wikidata-20261008T172418Z