Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Dinah White (Powys family) manuscripts, 1 canlyniadau
- Evan Roberts, Llandderfel, Papers, 1 canlyniadau
- Barddoniaeth amrywiol,, 1 canlyniadau
- Miscellaneous letters and papers, 1 canlyniadau
- Miscellaneous letters and papers, 1 canlyniadau
- Raymond Garlick manuscripts, 1 canlyniadau
- Miscellaneous letters and papers, 1 canlyniadau
- Frederick Davies (John Cowper Powys) manuscripts, 1 canlyniadau
- Pob un
- Powys, John Cowper, 1872-1963, 26 canlyniadau
- Playter, Phyllis, 7 canlyniadau
- Jones, David, 1895-1974, 1 canlyniadau
- Thomas, R. S. (Ronald Stuart), 1913-2000, 1 canlyniadau
- Clarke, Gillian, 1937-, 1 canlyniadau
- Edwards, Thomas Charles, 1837-1900, 1 canlyniadau
- Ellis, Robert, 1812-1875, 1 canlyniadau
- Gladstone, W. E. (William Ewart), 1809-1898, 1 canlyniadau
- Rhys, John, Sir, 1840-1915, 1 canlyniadau
- Ellis, Thomas Edward, 1859-1899, 1 canlyniadau
- Pob un
- Powys, John Cowper, 1872-1963 -- Correspondence, 17 canlyniadau
- Playter, Phyllis -- Correspondence, 4 canlyniadau
- Garlick, Raymond, 1 canlyniadau
- Powys, John Cowper, 1872-1963, 1 canlyniadau
- Powys, John Cowper, 1872-1963 -- Family -- Correspondence, 1 canlyniadau
- Powys, Theodore Francis, 1875-1953 -- Death and burial, 1 canlyniadau
- Powys, Theodore Francis, 1875-1953, 1 canlyniadau
- Powys, Littleton, 1874-1955 -- Health, 1 canlyniadau
- Powys, Llewelyn, 1884-1939 -- Death and burial, 1 canlyniadau
- Hanley, James, 1897-1985, 1 canlyniadau
