View of Chepstow Castle, Monmouthshire, from Under the Bridge Math Eitemau Uwchlwytho gan Yale Center for British Art
Hensol Castle Hospital: Paul on patient's workshops Math Eitemau Uwchlwytho gan Clywed y Cyn-Cuddiedig
Hensol Castle Hospital: Paul on whether patients were exploited Math Eitemau Uwchlwytho gan Clywed y Cyn-Cuddiedig
Underground wheel at Ystrad Einion metal mine Math Eitemau Uwchlwytho gan Comisiwn Brenhinol Henebion Cymru
