Owain Gwyrfai MS,
Owain Gwyrfai MS,
Lewis Morris ('Llewelyn Ddu o Fôn; 1701-65) material, etc.,
Lewis Morris ('Llewelyn Ddu o Fôn; 1701-65) material, etc.,
Defnyddiau Morrisiaid Môn,
Defnyddiau Morrisiaid Môn,
Morris letters,
Morris letters,
Welsh word lists, etc.,
Welsh word lists, etc.,
Miscellaneous letters and papers,
Miscellaneous letters and papers,
Barddoniaeth Dafydd ap Gwilym ac eraill,
Barddoniaeth Dafydd ap Gwilym ac eraill,
Barddoniaeth,
Barddoniaeth,
The Morris Memorial
The Morris Memorial
Letters of Morrisiaid Môn
Letters of Morrisiaid Môn
Miscellanea,
Miscellanea,
