- 1417D.
- Ffeil
- [1911].
Rhan oCwrtmawr manuscripts
Letts' maps of South East Wales and of North East Wales; ordnance survey maps of South West Wales and of North West Wales, 1911; and a rough plan of a mine near Marchnant River, Cardiganshire.
Rhan oCwrtmawr manuscripts
Letts' maps of South East Wales and of North East Wales; ordnance survey maps of South West Wales and of North West Wales, 1911; and a rough plan of a mine near Marchnant River, Cardiganshire.