# Peter Martin Heldt
**Wikidata**: [Q109833884](https://www.wikidata.org/wiki/Q109833884)  
**Source**: https://4ort.xyz/entity/peter-martin-heldt


## References

1. Czech National Authority Database
2. [Source](http://catalogo.share-cat.unina.it/sharecat/searchNames?n_cluster_id=1013)
3. Virtual International Authority File
4. CiNii Research
5. [Source](https://opac.sbn.it/opacsbn/opac/iccu/scheda_authority.jsp?bid=IT\ICCU\CUBV\166370)
6. [Source](http://data.nlg.gr/resource/authority/record247387)
7. [Source](https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=xx0218042)
8. [Source](http://datos.bne.es/persona/XX1302918.html)
9. [Source](https://www.unz.org/Author/HeldtPeterMartin)
10. [Source](http://onlinebooks.library.upenn.edu/webbin/book/lookupname?key=Heldt%2c%20Peter%20Martin)