# Hans Martin von Erffa

> art historian, historian, lexicographer, editing staff (1911-1998)

**Wikidata**: [Q82026664](https://www.wikidata.org/wiki/Q82026664)  
**Source**: https://4ort.xyz/entity/hans-martin-von-erffa


## References

1. Czech National Authority Database
2. Genealogics
3. Catalog of the German National Library
4. [Source](http://opac.regesta-imperii.de/lang_en/suche.php?thes=Erffa%2C+Hans+Martin+von+%281911-1998%29)
5. VcBA (identifier)
6. National Library of Israel Names and Subjects Authority File
7. VIAF ID
8. Virtual International Authority File