Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Doldowlod House (Llanyre, Wales), 2 canlyniadau
- Watt, James, 1769-1848 -- Correspondence, 2 canlyniadau
- Central Wales Railway., 1 canlyniadau
- Mylne, William, 1734-1790 -- Correspondence., 1 canlyniadau
- Mylne, Robert, 1733-1811 -- Correspondence., 1 canlyniadau
- Mylne, William, 1734-1790, 1 canlyniadau
- Mylne, Robert, 1733-1811, 1 canlyniadau
- Gloucester and Aberystwyth Railway., 1 canlyniadau
- Welsh Midland Railway., 1 canlyniadau
- Mylne, Robert W. (Robert William), 1817-1890 -- Correspondence., 1 canlyniadau