# Eduardo de Sousa Ferreira
**Wikidata**: [Q105799123](https://www.wikidata.org/wiki/Q105799123)  
**Source**: https://4ort.xyz/entity/eduardo-de-sousa-ferreira


## References

1. BnF authorities
2. NUKAT
3. OpenData BNP
4. MAK
5. [Source](https://ccbibliotecas.azores.gov.pt/cgi-bin/koha/opac-authoritiesdetail.pl?authid=238870&marc=1)
6. [Source](http://id.bnportugal.gov.pt/aut/catbnp/123658)
7. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810559597605606)
8. National Library of Israel Names and Subjects Authority File