Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Johnes, John, 1800-1876, 7 canlyniadau
- Rees, William, 1808-1873, 3 canlyniadau
- Jones, John, 1792-1852, 2 canlyniadau
- Ollivant, Alfred, 1798-1882, 2 canlyniadau
- Johnes, Charlotte Anna Maria, 1825-1911, 2 canlyniadau
- Ramsay, Elizabeth, 2 canlyniadau
- Ramsay, Eliza, 2 canlyniadau
- Sharpe, James, Glasgow, 2 canlyniadau
- Williams, W. R. Stuart, 2 canlyniadau
- Ramsay, John C., 2 canlyniadau
- Pob un
- Welsh literature -- 19th century., 1 canlyniadau
- Welsh language -- Etymology., 1 canlyniadau
- Welsh language -- Orthography and spelling., 1 canlyniadau
- Fossils., 1 canlyniadau
- Ireland -- Description and travel, 1 canlyniadau
- Botany -- Wales -- Snowdonia., 1 canlyniadau
- Dolaucothi Estate (Wales), 1 canlyniadau
- Public health -- Scotland -- Glasgow., 1 canlyniadau
- Schools -- Wales -- Llandovery., 1 canlyniadau
- Tides -- England -- Lyme Regis, 1 canlyniadau