# Heinrich-Otto Kalk

> German internist (1895–1973)

**Wikidata**: [Q1598446](https://www.wikidata.org/wiki/Q1598446)  
**Source**: https://4ort.xyz/entity/heinrich-otto-kalk


## References

1. Nazi Party Membership Database Lookup
2. Integrated Authority File
3. Virtual International Authority File
4. Q107642470
5. [Source](https://www.deutsche-biographie.de/sfz39598.html)
6. Munzinger Personen
7. [Nuremberg Trials Project](http://nuremberg.law.harvard.edu/documents/1390-affidavit-concerning-research-on-hepatitis?q=author:%22Heinrich+Kalk%22#p.1)
8. Autoritats UB