# Ralph Harper
**Wikidata**: [Q104585711](https://www.wikidata.org/wiki/Q104585711)  
**Source**: https://4ort.xyz/entity/ralph-harper


## References

1. IdRef
2. Guggenheim Fellows database
3. Virtual International Authority File
4. NUKAT
5. datos.bne.es
6. Faceted Application of Subject Terminology
7. Catalogue of the Library of the Pontifical University of the Holy Cross
8. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810533858905606)
9. National Library of Israel Names and Subjects Authority File
10. Catalogo of the National Library of India