Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- National Museum of Wales., 3 canlyniadau
- National Museum & Gallery Cardiff., 1 canlyniadau
- National Museum of Wales. Art Purchasing Committee., 1 canlyniadau
- National Museum of Wales. Art Committee., 1 canlyniadau
- International Society., 1 canlyniadau
- University College of North Wales., 1 canlyniadau
- Powysland Club., 1 canlyniadau
- Longman's, Green & Co. Ltd., 1 canlyniadau
- Roberts, R. Gwylfa (Richard Gwylfa), 1871-1935, 1 canlyniadau
- Swansea Art School -- Exhibitions -- 1950., 1 canlyniadau