Archif6381248TeitlBRI01_029 - Brecknock Inventories Archive Part iLefelItemDisgrifiadBlack and white photograph relating to Twyn Bryn Glas Round Cairn: RC127.Cyfrwng1 file. Photo.Delweddaun
Archif6061805TeitlGM561 - Cadw Scheduling RecordsLefelSub-groupDisgrifiadFile of Cadw scheduled monument records for Twyn Bryn Glas, Excavated Cairn (GM561) , consisting of scheduling notices, accompanied by Field Monument Warden reports. Files stored in scheduled monument number order.CyfrwngText, Cartographic.Delweddaun
Archif6512004TeitlCSAM_JC_2008_01 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Breconshire and Glamorgan carried out by Joseph Cliff, 2008.CyfrwngTwo sheets. Photo.Delweddaun
Archif6392213TeitlBRI01_132 - Brecknock Inventories Archive Part iLefelBatchDisgrifiadDrawings relating to Figure 69: Twyn Bryn Glas cairn (RC127), plans and sections.Cyfrwng1 file. Graphic, Photo.Delweddaun
