Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Petts, John, 1914-1991, 1 canlyniadau
- Thomas, R. S. (Ronald Stuart), 1913-2000, 1 canlyniadau
- Wynn, John, Sir, 1553-1627, 1 canlyniadau
- Fox, Charles James, 1749-1806., 1 canlyniadau
- Chamberlain, Brenda, 1 canlyniadau
- Davies, Walter, 1761-1849, 1 canlyniadau
- Panton, Paul, 1727-1797, 1 canlyniadau
- Owen, Goronwy, 1723-1769?, 1 canlyniadau
- Richards, Thomas, 1785-1855, 1 canlyniadau
- Gwydir Estate (Wales), 1 canlyniadau
- Pob un
- Cadair Idris (Wales) -- Description and travel, 4 canlyniadau
- Wales, North -- Description and travel, 2 canlyniadau
- Aran Fawddwy (Wales) -- Description and travel, 2 canlyniadau
- Great Britain -- Politics and government -- 18th century., 1 canlyniadau
- Arithmetic -- Problems, exercises, etc., 1 canlyniadau
- Snowdon (Wales), 1 canlyniadau
- Lake District (England) -- Description and travel, 1 canlyniadau
- Snowdon (Wales) -- Description and travel, 1 canlyniadau
- Alphabets., 1 canlyniadau
- Comets., 1 canlyniadau