Papurau'r Academi Gymreig / The Welsh Academy Papers,
Papurau'r Academi Gymreig / The Welsh Academy Papers,
Bodewryd (Sotheby) manuscripts and papers
Bodewryd (Sotheby) manuscripts and papers
Papurau Euros Bowen
Papurau Euros Bowen
The Honourable Society of Cymmrodorion Records,
The Honourable Society of Cymmrodorion Records,
Iolo Morganwg and Taliesin ab Iolo manuscripts and papers
Iolo Morganwg and Taliesin ab Iolo manuscripts and papers
Literary papers,
Literary papers,
The red book of Hergest,
The red book of Hergest,
T. Eurwedd Williams Manuscripts,
T. Eurwedd Williams Manuscripts,
A scrap-book,
A scrap-book,
Sir John Ballinger Papers
Sir John Ballinger Papers
Welsh literature,
Welsh literature,
Llên Gwerin Cymru
Llên Gwerin Cymru
Aneirin Talfan Davies letters,
Aneirin Talfan Davies letters,
