# The Master Key

> 1903 L. Frank Baum book

**Wikidata**: [Q114568940](https://www.wikidata.org/wiki/Q114568940)  
**Source**: https://4ort.xyz/entity/the-master-key-q114568940


## References

1. [Source](https://openlibrary.org/works/OL262383W/The_Master_Key)