Plas Newydd a Phengwern

Plas Newydd
Bingley, W.
North Wales,
1839, tudalen 29.

Bradley, A.G.
North Wales
1925, tudalen 41.

Cliffe, C.F.
North Wales
1850, tudalen 76.

Evans, J.
Beauties of England and Wales
Volume 1, 1815 tudalen 562.

Guide to Llangollen, Corwen and Bala
1869.

Hicklin, J.
Ladies of Llangollen
1847.

Jones, S.P.
Blue guide sheets... Plas Newydd and the Ladies
1950.

Savory, H.N.
Some new perforated implements from Denbighshire
Denbighshire Historical Society Transactions, Cyfrol 18, tudalen 10.

Simpson, W.T.
Account of the town and vale of Llangollen
1837.

Yorke, J.
Plas Newydd
1888.

Pengwern
Pengwern, near Llangollen, Denbighshire.
Archaeologia Cambrensis, 1848, tudalennau 322 - 323.

Tombstone of Gronwy ab Iorwerth at Pengwern, Denbighshire
Archaeologia Cambrensis, 1848, tudalennau 266 - 268.