Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Sir John Rhŷs papers, 4 canlyniadau
- Papurau Iorwerth C. Peate,, 2 canlyniadau
- O. M. Edwards Papers,, 1 canlyniadau
- Egerton Phillimore Papers, 1 canlyniadau
- The Honourable Society of Cymmrodorion Records,, 1 canlyniadau
- Papurau Ambrose Bebb, 1 canlyniadau
- Sir Edward Anwyl manuscripts, 1 canlyniadau
- G. G. T. Treherne Manuscripts,, 1 canlyniadau
- Pob un
- Thomas, D. Lleufer (Daniel Lleufer), 1863-1940, 1 canlyniadau
- Daniel, David R. (David Robert), 1859-1931, 1 canlyniadau
- Edwards, Alun R. (Alun Roderick), 1919-1986, 1 canlyniadau
- Phillimore, John George, 1808-1865., 1 canlyniadau
- Eames, William, 1874-1958, 1 canlyniadau
- Sir Edward Anwyl and T. C. Evans., 1 canlyniadau
- Evans, Mali, 1 canlyniadau
- Pob un
- Wade-Evans, Arthur W. (Arthur Wade), 1875-1964, 13 canlyniadau
- Lindsay, W. M. (Wallace Martin), 1858-1937., 4 canlyniadau
- Sayce, A. H. (Archibald Henry), 1845-1933., 4 canlyniadau
- Meyer, Paul, 1840-1917., 4 canlyniadau
- Dodgson, Edward Spencer., 4 canlyniadau
- Vaughan, Arthur Owen., 2 canlyniadau
- Evans, George Eyre, 1857-1939, 2 canlyniadau
- Gaidoz, Henri, 1842-1932., 2 canlyniadau
- Powel, Thomas, 1845-1922., 2 canlyniadau
- Evans, Vincent, Sir, 1851-1934, 2 canlyniadau
- Pob un
- Art festivals -- Wales, 1 canlyniadau
- Patagonia (Argentina and Chile), 1 canlyniadau
- Welsh language -- Dialects -- Glossaries, vocabularies, etc., 1 canlyniadau
- Welsh language -- Dialects -- Wales -- Fishguard, 1 canlyniadau
- Welsh language -- Dialects -- Wales -- Mid Glamorgan, 1 canlyniadau
- Music stores -- Wales -- Fishguard., 1 canlyniadau
- Booksellers and bookselling -- Wales -- Aberystwyth, 1 canlyniadau