Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- J. H. Davies, Cwrt Mawr, papers, 1 canlyniadau
- Lord Goronwy-Roberts Papers, 1 canlyniadau
- Tŷ Coch Manuscripts, 1 canlyniadau
- Elis o'r Nant manuscripts,, 1 canlyniadau
- Breese Manuscripts,, 1 canlyniadau
- Ellis Owen Manuscripts, 1 canlyniadau
- Canon Trevor Owen Manuscripts,, 1 canlyniadau
- Hafod y Porth MSS,, 1 canlyniadau
- Pob un
- George, William, 1865-1967, 1 canlyniadau
- Williams, William, 1738-1817, 1 canlyniadau
- Lloyd George & George (Firm), 1 canlyniadau
- Lewis, Thomas, 1821-1897, 1 canlyniadau
- Williams, Watkin, farmer, Caernarvonshire, 1 canlyniadau
- Williams, Richard Owen, Bangor, 1 canlyniadau
- Williams, John, Garndolbenmaen, fl. 1861 Pocket-book of (1861), NLW MS 22391A, 1 canlyniadau
- Pob un
- Caernarvonshire, 14 canlyniadau
- Wales, 9 canlyniadau
- Denbighshire, 2 canlyniadau
- Anglesey, 2 canlyniadau
- Merionethshire, 2 canlyniadau
- Caernarvonshire (Wales), 1 canlyniadau
- Eifionydd, 1 canlyniadau
- Montgomeryshire, 1 canlyniadau
- Flintshire, 1 canlyniadau
- Penrhyn Quarry (Wales), 1 canlyniadau
- Pob un
- Sheriffs -- Wales -- Caernarvonshire, 1 canlyniadau
- Welsh language -- Dialects -- Wales -- Caernarvonshire, 1 canlyniadau
- Calvinistic Methodists -- Wales -- Caernarvonshire., 1 canlyniadau
- Quarries and quarrying -- Wales -- Caernarvonshire, 1 canlyniadau
- Penrhyn Quarry (Wales), 1 canlyniadau
- Youth -- Wales -- Caernarvonshire, 1 canlyniadau
- Caernarvonshire (Wales) -- Surveys, 1 canlyniadau
- World War, 1914-1918 -- War work -- Wales -- Anglesey, 1 canlyniadau
- World War, 1914-1918 -- War work -- Wales -- Caernarvonshire, 1 canlyniadau
- World War, 1914-1918 -- War work -- Wales -- Merioneth, 1 canlyniadau
- Pob un
- Sermons -- Wales -- Caernarvonshire, 2 canlyniadau
- Sermons -- Wales -- Flintshire, 1 canlyniadau
- Sermons -- Wales -- Denbighshire, 1 canlyniadau
- Sermons -- Wales -- Montgomeryshire, 1 canlyniadau
- Sermons -- Wales -- Anglesey, 1 canlyniadau
- Court records 16-17 cents, abstracts (20 cent.), NLW MS 3590D -- Wales -- Caernarvonshire, 1 canlyniadau
- Court records 16-17 cents, abstracts (20 cent.), NLW MS 3590D -- Wales -- Merionethshire, 1 canlyniadau