Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Morgan, George Osborne, Sir, 1826-1897., 5 canlyniadau
- Aberdare, Henry Austin Bruce, Baron, 1815-1895, 3 canlyniadau
- Puleston, John Henry, 1829-1908, 3 canlyniadau
- Lewis, J. Herbert (John Herbert), Sir, 1858-1933., 3 canlyniadau
- Owen, Hugh, 1804-1881., 3 canlyniadau
- Humphreys-Owen, Arthur Charles, 2 canlyniadau
- Llanover, Augusta Hall, 1802-1896., 2 canlyniadau
- Edwards, Alfred George, 1848-1937., 2 canlyniadau
- Griffith, John, 1821-1877, 2 canlyniadau
- Powel, Thomas, 1845-1922., 2 canlyniadau
- Pob un
- Wales -- Politics and government -- 19th century., 1 canlyniadau
- Wales -- Politics and government -- 20th century., 1 canlyniadau
- Temperance., 1 canlyniadau
- Welsh periodicals -- 19th century., 1 canlyniadau
- Merioneth (Wales) -- Politics and government, 1 canlyniadau
- Welsh periodicals -- 20th century., 1 canlyniadau
- Welsh newspapers -- Wales -- Merionethshire -- 19th century., 1 canlyniadau
- Pollution prevention -- History -- 19th century., 1 canlyniadau
- Water -- Pollution -- History -- 19th century., 1 canlyniadau
- Schools -- Wales -- Conwy., 1 canlyniadau