# Sem Hartz

> Dutch graphic designer (1912-1995)

**Wikidata**: [Q2230684](https://www.wikidata.org/wiki/Q2230684)  
**Source**: https://4ort.xyz/entity/sem-hartz


## References

1. RKDartists
2. BnF authorities
3. [Source](https://hdl.handle.net/21.12123/9529)
4. [Source](https://www.postzegelontwerpen.nl/postzegels/ontwerpen/hartz-samuel-louis-sem)
5. [Source](https://n2t.net/ark:/33862/collect/656369)
6. Q137555958
7. Jewish Biographical Dictionary of the Netherlands
8. general catalog of BnF
9. Virtual International Authority File
10. [Q123294566](http://www.nationaalontwerparchief.nl/archieven-lijst/1002432)
11. [Q123294566](http://www.nationaalontwerparchief.nl/archieven-lijst/1002433)
12. [Source](https://pid.uba.uva.nl/ark:/88238/b242)
13. [Q123294566](http://www.nationaalontwerparchief.nl/archieven-lijst/1001720)
14. Biografisch Portaal
15. Library of Congress Control Number
16. [Source](http://www.nationaalontwerparchief.nl/ontwerper/Hartz%2C+Sem)
17. [Source](http://www.nationaalontwerparchief.nl/ontwerper/Hartz,+Sem)
18. National Library of Israel Names and Subjects Authority File
19. [Source](https://www.philamuseum.org/collections/results.html?searchTxt=&bSuggest=1&searchNameID=47758)
20. CollectieGelderland