# Ján Doruľa
**Wikidata**: [Q95341454](https://www.wikidata.org/wiki/Q95341454)  
**Source**: https://4ort.xyz/entity/j-n-doru-a


## References

1. National Library of Israel Names and Subjects Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. Virtual International Authority File
5. [Source](https://www.learned.sk/prof-phdr-jan-dorula-drsc/)