Ffeil NLW ex 1643. - Proofs, typescripts, manuscript notes and correspondence relating to the publication of the volume Ystoryaeu Seint Greal Rhan 1 Y Keis ...,

Proofs, typescripts, manuscript notes and correspondence relating to the publication of the volume Ystoryaeu Seint Greal Rhan 1 Y Keis (Cardiff, 1992), edited by Professor Thomas Jones (1910-72). An envelope containing correspondence is not to be made available until 1 July 2008.