G81-120,
G81-120,
J161-200,
J161-200,
F841-80,
F841-80,
Williams, G. J., Bangor, (awdur Hanes Plwyf Ffestiniog)
Williams, G. J., Bangor, (awdur Hanes Plwyf Ffestiniog)
Williams, Griffith (Gutyn Gwaenydd) Talwaenydd, Blaenau Ffestiniog; Flint
Williams, Griffith (Gutyn Gwaenydd) Talwaenydd, Blaenau Ffestiniog; Flint
[?Williams], Harri, Gerlan
[?Williams], Harri, Gerlan
Williams, Hugh, Midland Bank, Blaenau Ffestiniog; Llanrwst
Williams, Hugh, Midland Bank, Blaenau Ffestiniog; Llanrwst
Williams, Ieuan, Rhyd, Llanfrothen
Williams, Ieuan, Rhyd, Llanfrothen
Williams, Yr Athro Ifor, Porthaethwy
Williams, Yr Athro Ifor, Porthaethwy
Williams, John, Berkhamstead
Williams, John, Berkhamstead
Williams, John Morris, Trawsfynydd
Williams, John Morris, Trawsfynydd
Williams, R. Maurice, Talycafn
Williams, R. Maurice, Talycafn
Williams, T. O., Tanygrisiau; Dolgellau
Williams, T. O., Tanygrisiau; Dolgellau
Williams, T. Charles, Seattle, Washington, U.S.A.
Williams, T. Charles, Seattle, Washington, U.S.A.
Rhyddiaith a chymysg
Rhyddiaith a chymysg
Jones. T. M. (Gwenallt), Penmachno, Betws y Coed
Jones. T. M. (Gwenallt), Penmachno, Betws y Coed
Jones, Thomas Tudno (Tudno)
Jones, Thomas Tudno (Tudno)
Lewis, H. Elvet (Elfed)
Lewis, H. Elvet (Elfed)
Roberts, J. J. (Iolo Caernarfon), Porthmadog.
Roberts, J. J. (Iolo Caernarfon), Porthmadog.
Williams, John Owen (Pedrog), Lerpwl
Williams, John Owen (Pedrog), Lerpwl
