# Witold D. Sylwestrowicz

> (1909-1986)

**Wikidata**: [Q55769876](https://www.wikidata.org/wiki/Q55769876)  
**Source**: https://4ort.xyz/entity/witold-d-sylwestrowicz


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Faceted Application of Subject Terminology
4. NUKAT
5. MAK
6. Virtual International Authority File