Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6417675TeitlCA3539 - NMR Site FilesLefelItemDisgrifiadView of front elevation of Tyddyn Iolyn Isaf from the lane.CyfrwngPhoto.DelweddaunRhif Archif6353308TeitlCPF_T_01_04 - Caernarvonshire Parish FilesLefelSub-groupDisgrifiadNotes, site lists, plans and drawings, rubbings, and black and white photographs relating to sites in the parish of Treflys: Map reference 34SW.Cyfrwng1 file. Text, Graphic, Photo.DelweddaunRhif Archif6004069TeitlDrawings CollectionLefelItemDisgrifiadRCAHMW drawing (ink on linen) showing plan of Tyddyn Iolyn Isaf, Treflys, as published in Caerns Inventory Volume II, fig 182.CyfrwngGraphic.DelweddaunRhif Archif6417674TeitlNMR Site FilesLefelBatchDisgrifiadPhoto survey of Tyddyn Iolyn Isaf, Dolbenmaen, comprising 1 black and white print, dated 3rd August 1956.Cyfrwng1 print. Photo.Delweddaun
