# Lev Knipper

> Russian composer and secret police agent (1898–1974)

**Wikidata**: [Q281536](https://www.wikidata.org/wiki/Q281536)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lev_Knipper)  
**Source**: https://4ort.xyz/entity/lev-knipper


## References

1. Great Soviet Encyclopedia (1969–1978)
2. BnF authorities
3. Integrated Authority File
4. [Studies in Intelligence](https://www.cia.gov/static/0748956831c576796aca2188b5219a0c/lubyanka-days-battle-moscow.pdf)
5. [Source](https://www.allmusic.com/artist/lev-konstantinovich-knipper-mn0001629305/biography)
6. [Grove Music Online](https://doi.org/10.1093/gmo/9781561592630.article.15201)
7. [Great Russian Encyclopedia](https://bigenc.ru/music/text/2075237)
8. International Standard Name Identifier
9. MusicBrainz
10. Virtual International Authority File
11. CiNii Research
12. IMDb
13. SNAC
14. Freebase Data Dumps. 2013
15. Israeli Music Collection
16. National Library of Israel Names and Subjects Authority File