Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- O. M. Edwards Papers,, 6 canlyniadau
- David Samuel manuscripts, 4 canlyniadau
- Edward Edwards manuscripts, 3 canlyniadau
- Cwrtmawr manuscripts, 2 canlyniadau
- Dr J. Lloyd Williams Music MSS and Papers, 1 canlyniadau
- The Honourable Society of Cymmrodorion Records,, 1 canlyniadau
- Sir Edward Anwyl manuscripts, 1 canlyniadau
- Leila Mégane and T. Osborne Roberts Papers and Correspondence, 1 canlyniadau
- Elis o'r Nant manuscripts,, 1 canlyniadau
- Pob un
- Anwyl, E. (Edward), 1866-1914, 1 canlyniadau
- Evans, J. Gwenogvryn (John Gwenogvryn), 1852-1930, 1 canlyniadau
- Fynes-Clinton, O. H. (Osbert Henry), 1869-1941, 1 canlyniadau
- Davies, J. Gwynoro (John Gwynoro), 1855-1935, 1 canlyniadau
- Davies, Alfred T, 1 canlyniadau
- Evans, H. T. (Howell Thomas), 1877-1950, 1 canlyniadau
- Jones, Gwilym Hywel, 1 canlyniadau
- John Edward Lloyd and John Morris-Jones., 1 canlyniadau
- Sir John Morris-Jones and Lady Mary Morris-Jones., 1 canlyniadau
- Jones, J. W, 1 canlyniadau
- Pob un
- Morris-Jones, John, 1864-1929, 27 canlyniadau
- Jones, T. Gwynn (Thomas Gwynn), 1871-1949, 6 canlyniadau
- Rhys, John, Sir, 1840-1915, 4 canlyniadau
- Lloyd, John Edward, Sir, 1861-1947, 4 canlyniadau
- Williams, Hugh, 1843-1911, 4 canlyniadau
- Williams, W. Llewelyn (William Llewelyn), 1867-1922, 3 canlyniadau
- James, J. Spinther (James Spinther), 1837-1914, 3 canlyniadau
- Jones, H. Haydn (Henry Haydn), Sir, 1863-1950, 3 canlyniadau
- Alafon, 1847-1916, 2 canlyniadau
- Myrddin Fardd, 1836-1921, 2 canlyniadau
- Pob un
- Welsh language -- Grammar., 3 canlyniadau
- Welsh language -- Idioms, 3 canlyniadau
- Welsh language -- Dialects, 3 canlyniadau
- Education -- Wales, 3 canlyniadau
- Welsh language -- Study and teaching, 3 canlyniadau
- Welsh language -- Foreign elements, 3 canlyniadau
- Deiniolen (Wales), 1 canlyniadau
- Llanberis (Wales), 1 canlyniadau
- Wales -- History, 1 canlyniadau
- Welsh poetry -- Early modern, 1550-1700, 1 canlyniadau
- Pob un
- Welsh poetry -- 20th century., 1 canlyniadau
- Welsh poetry -- 19th century, 1 canlyniadau
- Scrapbooks, 1 canlyniadau
- Obituaries -- Wales, 1 canlyniadau
- Anthems -- Wales -- 20th century -- Scores., 1 canlyniadau
- Hymns, Welsh -- Wales -- 20th century, 1 canlyniadau
- Songs, Welsh -- Wales -- 20th century -- Scores, 1 canlyniadau
- Songs, English -- Wales -- 20th century -- Scores, 1 canlyniadau
- Hymns, English -- Wales -- 20th century, 1 canlyniadau
- Songs (High voice) with piano -- Wales -- 20th century -- Scores, 1 canlyniadau
