# Karl Marx-Markus

> German cellist and composer

**Wikidata**: [Q45991671](https://www.wikidata.org/wiki/Q45991671)  
**Source**: https://4ort.xyz/entity/karl-marx-markus


## References

1. Source
2. CERL Thesaurus
3. Catalog of the German National Library
4. [Source](http://thesaurus.cerl.org/record/cnp01081884)