Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ballinger, John, 1860-1933 -- Correspondence, 1 canlyniadau
- Williams, J. Rhosydd, Rhosllannerchrugog (1925), NLW MS 5978C -- Correspondence, 1 canlyniadau
- Jones, William, Porthmadog Letter relating to (1925), NLW MS 5978C, 1 canlyniadau
- Jones Williams, W., Dr., Middlesborough Letter relating to (1925), NLW MS 5978C, 1 canlyniadau
- Pob un
- Calvinistic Methodists -- Wales -- Porthmadog -- Sermons, 2 canlyniadau
- Criccieth (Wales), 1 canlyniadau
- Porthmadog (Wales), 1 canlyniadau
- Porthmadog (Wales) -- History., 1 canlyniadau
- Industries -- Wales -- Porthmadog, 1 canlyniadau
- Traeth Mawr (Gwynedd, Wales) -- History, 1 canlyniadau
- Sanitation -- Wales -- Porthmadog, 1 canlyniadau
- Sanitation -- Wales -- Tremadog, 1 canlyniadau
- Public health -- Wales -- Porthmadog, 1 canlyniadau
- Public health -- Wales -- Tremadog, 1 canlyniadau
