Disgrifiad
Dinas Mawddwy - Brithdir Archaeological Survey Report(pdf). Produced, as part of the RCAHMW Uplands Initiative, by Hayman and Horton.
Cofnod Casglu
DMB2012 - RCAHMW Uplands Initiative Dinas Mawddwy-Brithdir Survey Archive
Cyfrwng
Cartographic, Photo, Text.
