Culhwch ac OlwenIdris Llewelyn Foster, Rachel Bromwich, D. Simon Evans · First published 1988Open the Tome
Cyfrol deyrnged Syr Thomas Parry-WilliamsT. H. Parry-Williams, Idris Llewelyn Foster · First published 1967Open the Tome
Culture and environment, essays in honour of Sir Cyril FoxIdris Llewelyn Foster · First published 1963Open the Tome
