Llythyrau: Lewis, Idris-Lloyd, Hannah,
- Grwp 1965.
- Series
- 1913-61.
Part of Papurau Wil Ifan,
Llythyrau: Lewis, Idris-Lloyd, Hannah,
Part of Papurau Wil Ifan,
Llythyrau: Lloyd, Henry-Morgan, Henry,
Part of Papurau Wil Ifan,
Llythyrau: Morgan, E.-Morris, W. R,
Part of Papurau Wil Ifan,
Llythyrau: Richards, Brinley-Sandbrook,
Part of Papurau Wil Ifan,
Llythyrau: Scott, Robert-Tennant,
Part of Papurau Wil Ifan,
Part of Papurau Wil Ifan,
Llythyrau: [Williams, Hugh Menai] 'Huw Menai'-Williams, J. Lloyd,
Part of Papurau Wil Ifan,
Llythyrau: James, E. O.-Jenkins, Evan,
Part of Papurau Wil Ifan,
Llythyrau: Jones, Katie-Jones, W. Glasnant,
Part of Papurau Wil Ifan,
Llythyrau: Jones, W. Lewis-Lewis, Howell Elvet,
Part of Papurau Wil Ifan,
Llythyrau: Nagai, R.-Parry, Robert Williams,
Part of Papurau Wil Ifan,
Part of Papurau Wil Ifan,
Llythyrau: Crawshay-Davies, Dudley,
Part of Papurau Wil Ifan,
Part of Papurau Wil Ifan,
Part of Papurau Wil Ifan,
Part of Papurau Wil Ifan,
Gweithiau Llenyddol a nodiadau,
Part of Papurau Wil Ifan,
Part of Papurau Wil Ifan,
Part of Papurau Wil Ifan,
Papurau'r Parch William Williams,
Part of Papurau William a Myfi Wiliams,