Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Wales -- History -- 18th century, 5 canlyniadau
- Iron industry and trade -- Wales, South., 1 canlyniadau
- Wales -- History -- 1063-1536, 1 canlyniadau
- Wales -- History -- 1536-1700, 1 canlyniadau
- Welsh literature -- 18th century., 1 canlyniadau
- Wales -- History -- 19th century, 1 canlyniadau
- Iron-works -- Wales, South -- Records and correspondence, 1 canlyniadau
- Iron-works -- Wales -- Cefn Cribwr., 1 canlyniadau
- Forging -- Wales -- Trostrey., 1 canlyniadau
- Forging -- Wales -- Cefn Cribwr., 1 canlyniadau
