# Henryk Friedrich
**Wikidata**: [Q104371519](https://www.wikidata.org/wiki/Q104371519)  
**Source**: https://4ort.xyz/entity/henryk-friedrich


## References

1. Virtual International Authority File
2. Open Library
3. Czech National Authority Database
4. MAK
5. NUKAT
6. [Source](https://openlibrary.org/works/OL4833747A)
7. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810531259105606)
8. National Library of Israel Names and Subjects Authority File