Geiriadur Ysgrythyrol:

- publisher: Utica, N.Y., E. E. Roberts
- creator: Charles, Thomas, 1755-1814. [from old catalog]
- Keyword: Bible Dictionaries Welsh. [from old catalog]
- years: 1863.
- pages: 2 v.
- language: engwel
- lccn: s
- class: PB2342
- download: pdf file