# Piano Sonata No. 20

> piano sonata written by Beethoven

**Wikidata**: [Q146423](https://www.wikidata.org/wiki/Q146423)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Piano_Sonata_No._20_(Beethoven))  
**Source**: https://4ort.xyz/entity/piano-sonata-no-20


## References

1. Grove Music Online
2. Freebase Data Dumps. 2013