# Gerardus Johannes Kruijer

> university teacher

**Wikidata**: [Q55950177](https://www.wikidata.org/wiki/Q55950177)  
**Source**: https://4ort.xyz/entity/gerardus-johannes-kruijer


## References

1. Album Academicum
2. Virtual International Authority File
3. CiNii Research
4. datos.bne.es
5. Faceted Application of Subject Terminology