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,
Welsh word lists, etc.,
Welsh word lists, etc.,
Morris letters,
Morris letters,
Letters of Morrisiaid Môn
Letters of Morrisiaid Môn
Barddoniaeth Dafydd ap Gwilym ac eraill,
Barddoniaeth Dafydd ap Gwilym ac eraill,
Barddoniaeth,
Barddoniaeth,
Miscellaneous letters and papers,
Miscellaneous letters and papers,
The Morris Memorial
The Morris Memorial
Miscellanea,
Miscellanea,
