A 'Biology' class at Ysgol y Sir, Bethesda, 26 April 1938 Type Item Uploaded by William John Roberts (1906-1982)
The site of Treflys Chapel, Gerlan, Bethesda, January 1975 Type Item Uploaded by William John Roberts (1906-1982)
Ponc Twrch Office, Penrhyn Quarry, Bethesda, September 1974 Type Item Uploaded by William John Roberts (1906-1982)
Ponc Leval Shed, Penrhyn Quarry, Bethesda, January 1975 Type Item Uploaded by William John Roberts (1906-1982)
Vol.1 of a manuscript of the history of Penrhyn Quarry, Gwynedd, by W. J. Roberts, c.1970 Type Item Uploaded by William John Roberts (1906-1982)
Vol.2 of a manuscript of the history of Penrhyn Quarry, Gwynedd, by W. J. Roberts, c.1970 Type Item Uploaded by William John Roberts (1906-1982)
Vol.1 (transcription) of a manuscript of the history of Penrhyn Quarry, Gwynedd, by W. J. Roberts, c.1970 Type Item Uploaded by William John Roberts (1906-1982)
Vol.2 (transcription) of a manuscript of the history of Penrhyn Quarry, Gwynedd, by W. J. Roberts, c.1970 Type Item Uploaded by William John Roberts (1906-1982)
Index pages of a manuscript of the history of Penrhyn Quarry, Gwynedd, by W. J. Roberts, c.1970 Type Item Uploaded by William John Roberts (1906-1982)
A collection of photographs of Merched y Wawr, The Midlands, Maldwyn Powys Type Item Uploaded by Merched y Wawr
