Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6544878TeitlCLBN_WRH_013_26 - Cadw Listed Buildings 35mm Colour Negative CollectionLefelItemDisgrifiadColour negative showing wall and barn to Porthmawr House, Crickhowell, produced by William R. Hughes, Cadw, October 1985.CyfrwngPhoto.DelweddaunRhif Archif6502087TeitlDS2018_153_002 - Investigators' Digital PhotographyLefelItemDisgrifiadCrickhowell including Porth Mawr House, Garden, Coach House and Gate. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 21st April 2015CyfrwngPhoto.Delweddauy
