Most Popular Books
- A Celtic Miscellany: Translations from the Celtic Literature (Penguin Classics)
- The International Popular Tale and Early Welsh Tradition
- Language and History in Early Britain: A Chronlogical Survey of the Brittonic Languages : 1st to 12th C. A. D.
- The Gaelic Notes in the Book of Deer
- The Oldest Irish Tradition: A Window on the Iron Age
