# String Quartet in B-flat major, op. 33 no. 4, Hob. III:40

> string quartet composed by Joseph Haydn

**Wikidata**: [Q11487535](https://www.wikidata.org/wiki/Q11487535)  
**Source**: https://4ort.xyz/entity/string-quartet-in-b-flat-major-op-33-no-4-hob-iii-40


## References

1. Virtual International Authority File
2. MusicBrainz
3. International Music Score Library Project
4. AllMusic