# Pierre-Robert-Christophe Ballard

> French printer and librarian

**Wikidata**: [Q104360646](https://www.wikidata.org/wiki/Q104360646)  
**Source**: https://4ort.xyz/entity/pierre-robert-christophe-ballard


## References

1. BnF authorities
2. Catalog of the German National Library
3. [Source](http://www.purl.org/inha/agorha/002/132414)
4. MAK
5. CERL Thesaurus
6. NUKAT
7. OpenData BNP
8. [Source](http://id.bnportugal.gov.pt/aut/catbnp/1686301)
9. [Source](http://thesaurus.cerl.org/record/cnp01950237)
10. [Source](http://thesaurus.cerl.org/record/cni00077116)
11. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810600064905606)