# Old Church Slavonic

> medieval Slavic literary language, without ISO codes, preceding Church Slavonic (Q33251, cu, chu)

**Wikidata**: [Q35499](https://www.wikidata.org/wiki/Q35499)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Old_Church_Slavonic)  
**Source**: https://4ort.xyz/entity/old-church-slavonic


## References

1. Freebase Data Dumps. 2013
2. Red Book of Endangered Languages
3. [Ethnologue](https://www.ethnologue.com/size-and-vitality/chu)
4. National Library of Israel
5. Digital Scriptorium Catalog