# Vilém Kupfer
**Wikidata**: [Q112347705](https://www.wikidata.org/wiki/Q112347705)  
**Source**: https://4ort.xyz/entity/vil-m-kupfer


## References

1. Czech National Authority Database
2. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1855666)
3. [Source](http://www.heraldika-terminologie.cz/stranka-vilem-kupfer-litograf-sberatel-a-autor-znaku-ceskych-rodu-a-mest-140)