Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Herschel, William, 1738-1822, 4 canlyniadau
- Jones, Edward, Esq., 2 canlyniadau
- Society of Antiquaries of London., 2 canlyniadau
- Herschel, Caroline Lucretia, 1750-1848., 2 canlyniadau
- Great Britain. Parliament -- Elections, 1796., 2 canlyniadau
- St. Asaph Cathedral (St. Asaph, Wales), 1 canlyniadau
- Wynn, John, Sir, 1553-1627, 1 canlyniadau
- Fox, Charles James, 1749-1806., 1 canlyniadau
- Panton, Paul, 1727-1797, 1 canlyniadau
- Jesus College (University of Oxford), 1 canlyniadau
- Pob un
- Wales, North -- Description and travel, 2 canlyniadau
- Great Britain -- Politics and government -- 18th century., 2 canlyniadau
- Comets., 2 canlyniadau
- Beacons -- Wales -- Conwy., 2 canlyniadau
- Elections -- Wales -- Caernarfon., 1 canlyniadau
- Great Britain -- Politics and government -- 19th century., 1 canlyniadau
- Copper mines and mining -- Wales -- Llandudno., 1 canlyniadau
- Aran Fawddwy (Wales) -- Description and travel, 1 canlyniadau
- Cadair Idris (Wales) -- Description and travel, 1 canlyniadau
- Astronomy, 1 canlyniadau
