# Cylchgrawn y Gymdeithas er Taenu Gwybodaeth Fuddiol

> periodical

**Wikidata**: [Q41674414](https://www.wikidata.org/wiki/Q41674414)  
**Source**: https://4ort.xyz/entity/cylchgrawn-y-gymdeithas-er-taenu-gwybodaeth-fuddiol


## References

1. Welsh Journals
2. WorldCat