Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Herschel, William, 1738-1822, 2 canlyniadau
- Herschel, Caroline Lucretia, 1750-1848., 2 canlyniadau
- Wynn, John, Sir, 1553-1627, 1 canlyniadau
- Fox, Charles James, 1749-1806., 1 canlyniadau
- Panton, Paul, 1727-1797, 1 canlyniadau
- Pennant, Thomas, 1726-1798, 1 canlyniadau
- Gwydir Estate (Wales), 1 canlyniadau
- Pennant, David, 1763-1841, 1 canlyniadau
- British Museum, 1 canlyniadau
- Butler, Eleanor, Lady, 1739-1829, 1 canlyniadau
- Pob un
- Great Britain -- Politics and government -- 18th century., 2 canlyniadau
- Comets., 2 canlyniadau
- Wales, North -- Description and travel, 1 canlyniadau
- Great Britain -- Politics and government -- 19th century., 1 canlyniadau
- Aran Fawddwy (Wales) -- Description and travel, 1 canlyniadau
- Cadair Idris (Wales) -- Description and travel, 1 canlyniadau
- Astronomy, 1 canlyniadau
- Snowdon (Wales), 1 canlyniadau
- Great Britain -- Militia., 1 canlyniadau
- Alphabets., 1 canlyniadau
