- NLW MS 19388E.
- File
- December 1959.
'An Examination of Semantic Developments in Welsh, 1545 - 1625' by Brinley Jones, being a DPhil thesis of Oxford University (typescript). English. Boards. Donated by Dr Brinley Jones, Swansea, February 1966. Persons wishing to read this thesis must obtain permission from the author beforehand.