# Adolf Heller
**Wikidata**: [Q51548155](https://www.wikidata.org/wiki/Q51548155)  
**Source**: https://4ort.xyz/entity/adolf-heller-q51548155


## References

1. Catalog of the German National Library
2. [The Fine Art Archive](https://cs.isabart.org/person/35247)
3. Regional Database of the Central Bohemian Research Library in Kladno
4. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000003052&local_base=svk04)
5. [Source](https://www.enkm.cz/adolf-heller)
6. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1966016)
7. [Web umenia](https://www.webumenia.sk/autor/3737)
8. Czech National Authority Database
9. Web umenia
10. The Fine Art Archive