# Isaac Rülf

> Jewish teacher, journalist and philosopher (1831-1902)

**Wikidata**: [Q72150](https://www.wikidata.org/wiki/Q72150)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Isaac_Rülf)  
**Source**: https://4ort.xyz/entity/isaac-r-lf


## References

1. [Source](http://uli.nli.org.il/F/VBYJ3C2YUKUGHF2RKBIVJ422F6366PQK854TI3P9FU9I3UQG8X-12181?func=full-set-set&set_number=007926&set_entry=000001&format=001)
2. Integrated Authority File
3. Czech National Authority Database
4. Virtual International Authority File
5. BnF authorities
6. Große Jüdische National-Biographie (vol. 5)
7. Freebase Data Dumps. 2013
8. Library of Congress Control Number