Map degwm Betws Tir Iarll, Morgannwg
Cwm Clywedog cyn cael ei foddi dan ddŵr argae...
Pont Y Cyslte Aqueduct, north Wales
View in the vale of Llangollen
Dee Viaduct
View Near Llangollen, North Wales
Valla Crusses near Llangollin, belonging to...
Pant-y-meibion, Llansanffraid Glynceiriog
Felin-y-moch, Bontuchel (Dinb)
Safle adeiladu, Cwm Elan, 1896
Gwaith adeiladu argae, Cwm Elan, 1898
Adeiladu'r biblinell, gwaith dŵr Cwm Elan, 1897
Pentref Llanwddyn, a foddwyd gan Lyn Efyrnwy ym...
Llythyr oddi wrth cangen Sirol Môn, Undeb...