# Martin Heilmann
**Wikidata**: [Q87401164](https://www.wikidata.org/wiki/Q87401164)  
**Source**: https://4ort.xyz/entity/martin-heilmann


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. CiNii Research
4. Catalogue of the Library of the Pontifical University of the Holy Cross
5. Virtual International Authority File