# Johann Ignaz Heyinger
**Wikidata**: [Q105494494](https://www.wikidata.org/wiki/Q105494494)  
**Source**: https://4ort.xyz/entity/johann-ignaz-heyinger


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. OpenData BNP
4. [Source](http://www.purl.org/inha/agorha/002/48483)
5. CERL Thesaurus
6. [Source](https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=xx0108578&CON_LNG=ENG)
7. [Source](http://id.bnportugal.gov.pt/aut/catbnp/1642934)
8. [Source](http://thesaurus.cerl.org/record/cnp01947112)
9. [Source](http://thesaurus.cerl.org/record/cni00076040)
10. Provenio