部分外文图书需从archive.org(国内无法直接访问)下载。部分外文图书需从archive.org和谷歌图书等国内无法直接访问的网站下载。
- A Pocket Dictionary-Welsh-English
- Cyfystyron y gymraeg (1892)
- Geiriadur Cymraeg a Saesneg (1934)
- Geiriadur Cymraeg a Saesonaeg (1848)
- The Welsh vocabulary (1913)
- Geiriadur llogel Cymraeg a Saesoneg (1861)
- Geiriadur Seisoneg a Chymraeg (1858)
- English and Welsh pronouncing dictionary (1857)
- Pictorial dictionary (1840)
- Vocabulary of familiar dialogues in English and Welsh (1829)
- English and Welsh dictionary (1828)
- Geiriadur Saesneg a Chymraeg (1812)
- English and Welch vocabulary (1804)
- The English and Welch dictionary (1737)
- Glossary of mediæval Welsh law (1913)
- Antiquæ Linguæ Britannicæ (1809)
- How to learn Welsh (1900)
- Welsh grammar (1913)
- Guide to Welsh (1907) : I & II
- Welsh grammar for schools (1907) : I & II
- Welsh as a specific subject for elementary schools (1891) : I & II
- Grammadeg Cymreig (1881)
- Grammar of the Welsh language (1876)
- Grammadeg o iaith y Cymry (1853)
- Gramadeg Cymreig (1847)
- Compendious Welsh grammar (1843)
- Grammar of the Welsh language (1832)
- Y llyfr cyntaf Pryderi fab Pwyll (1922)
- Southall’s bi-lingual reader (1911) : I & II – III
- Welsh and English for day schools (1897)
- Cant o hanesion difyrus at wasanaeth ysgolion dyddiol (1893)