# Deri (ddim) yn dair ar ddeg

> book; published in 2007

**Wikidata**: [Q67948550](https://www.wikidata.org/wiki/Q67948550)  
**Source**: https://4ort.xyz/entity/deri-ddim-yn-dair-ar-ddeg


## References

1. National Library of Wales Catalogue
2. Open Library