# Petrus Jacobus Vermeulen
**Wikidata**: [Q94892775](https://www.wikidata.org/wiki/Q94892775)  
**Source**: https://4ort.xyz/entity/petrus-jacobus-vermeulen


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Biografisch Portaal
4. Digital Library for Dutch Literature
5. VcBA (identifier)