Rhif Archif
6202441
Disgrifiad
Collection comprising miscellaneous notes, photographs, slides, extracts, drawings and articles on various sites and topics produced or collected by former Royal Commission investigator W.G. Thomas.
Enw Casgliad
W.G. Thomas Collection
Cyfrwng
Thirteen boxes and three plan press drawers. Text, Graphic, Cartographic, Photo.
Cychwynnwr
W. Gwyn Thomas