# Alf Christophersen
**Wikidata**: [Q61732448](https://www.wikidata.org/wiki/Q61732448)  
**Source**: https://4ort.xyz/entity/alf-christophersen


## References

1. BnF authorities
2. [Source](http://catalogo.pusc.it/cgi-bin/koha/opac-authoritiesdetail.pl?authid=16143)
3. Virtual International Authority File
4. VIAF ID