# Dalen genhadol chwarterol y Gymdeithas er Ledaenu yr Efengyl

> periodical

**Wikidata**: [Q42442158](https://www.wikidata.org/wiki/Q42442158)  
**Source**: https://4ort.xyz/entity/dalen-genhadol-chwarterol-y-gymdeithas-er-ledaenu-yr-efengyl


## References

1. Welsh Journals