# Hans Ulrich Bächtold
**Wikidata**: [Q105415581](https://www.wikidata.org/wiki/Q105415581)  
**Source**: https://4ort.xyz/entity/hans-ulrich-b-chtold


## References

1. IdRef
2. Catalog of the German National Library
3. Virtual International Authority File
4. Czech National Authority Database
5. Catalogue of the Unione Romana Biblioteche Scientifiche
6. Catalogue of the Library of the Pontifical University of Saint Thomas Aquinas
7. NUKAT
8. MAK
9. Bibliography of the History of the Czech Lands
10. [Source](https://pust.urbe.it/cgi-bin/koha/opac-authoritiesdetail.pl?marc=1&authid=38558)
11. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810594955305606)
12. [Source](http://koha-urbs.reteurbs.org/cgi-bin/koha/opac-authoritiesdetail.pl?marc=1&authid=301942)
13. [Source](https://biblio.hiu.cas.cz/records/2a19575a-aca4-4a7e-bcce-76a9e4f08e60)