# Helynt y twll yn y wal

> book; published in 1999

**Wikidata**: [Q70647803](https://www.wikidata.org/wiki/Q70647803)  
**Source**: https://4ort.xyz/entity/helynt-y-twll-yn-y-wal


## References

1. National Library of Wales Catalogue
2. Open Library
3. Goodreads