- A Dictionary of the Welsh Language. [Preceded By] a Grammar of the Welsh Language. 2 Vols. [In 3 Pt.]. [Followed By] an Outline of the Characteristics of the Welsh. 2 Vols. [In 4 Pt.]
- Dictionary Of The Welsh Language: Explained In English
- Cambrian Register; Volume 2
- A Dictionary Of The Welsh Language Explained In English: With Numerous Illustrations From The Literary Remains And From The Living Speech Of The Cymmry: To Which Is Prefixed A Welsh Grammar; Volume 2
- A Dictionary Of The Welsh Language Explained In English: With Numerous Illustrations From The Literary Remains And From The Living Speech Of The Cymmr