Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Pennant, Thomas, 1726-1798 -- Correspondence, 3 canlyniadau
- North, Frederick, Lord, 1732-1792, 1 canlyniadau
- Strange, John, 1732-1799, 1 canlyniadau
- Morris, William, 1705-1763., 1 canlyniadau
- Amico, Vito, 1697-1762 -- Correspondence., 1 canlyniadau
- Haller, Albrecht von, 1708-1777, 1 canlyniadau
- Pontoppidan, Erich, 1698-1764., 1 canlyniadau
- Borlase, William, 1695-1772 -- Correspondence., 1 canlyniadau
- Pennant, Elizabeth, -1764 -- Death and burial., 1 canlyniadau
- St Aubyn, John, Sir, 1726-1772., 1 canlyniadau
- Pob un
- Switzerland, 1 canlyniadau
- Crustacea -- Italy -- Sicily., 1 canlyniadau
- Mollusks -- Italy -- Sicily., 1 canlyniadau
- Shells -- Italy -- Sicily., 1 canlyniadau
- Snails -- Italy -- Sicily., 1 canlyniadau
- Natural history., 1 canlyniadau
- Fossils -- Collection and preservation -- Wales., 1 canlyniadau
- Seals (Animals) -- Pictorial works., 1 canlyniadau
- Birds -- Collection and preservation., 1 canlyniadau
