Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6438787TeitlDMHC04_159 - Dr Michael Harrison CollectionLefelSub-groupDisgrifiadColour slides showing sites and buildings in Dr Harrison's classification "Slate - 10470".Cyfrwng20 slides. Photo.DelweddaunRhif Archif6349985TeitlFHA01_031 - Falcon Hildred ArchiveLefelItemDisgrifiadPant yr Afon: (pencil, ink and watercolour) drawing, Viaduct from Main Line.Cyfrwng1 file. Graphic.DelweddauyRhif Archif6349987TeitlFHA01_033 - Falcon Hildred ArchiveLefelItemDisgrifiadPant yr Afon - General View from Tip: (pencil, ink and watercolour) drawing.Cyfrwng1 file. Graphic.Delweddauy
