# Otto's encyclopedia

> 1888–1909 edition of the largest printed encyclopedia written in the Czech language

**Wikidata**: [Q2041543](https://www.wikidata.org/wiki/Q2041543)  
**Source**: https://4ort.xyz/entity/otto-s-encyclopedia-q2041543


## References

1. Library of Congress Name Authority File
2. Library of Congress Control Number
3. Virtual International Authority File