Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ormsby-Gore, Beatrice Edith Mildred, Lady Harlech, 1891-1980 -- Correspondence., 1 canlyniadau
- Ormsby-Gore, William George Arthur, 1885-1964 -- Correspondence., 1 canlyniadau
- Roosevelt, Franklin D. (Franklin Delano), 1882-1945., 1 canlyniadau
- Salazar, António de Oliveira, 1889-1970., 1 canlyniadau
- Ormsby-Gore, Beatrice Edith Mildred, Lady Harlech, 1891-1980, 1 canlyniadau
- Parry-Williams, T. H. (Thomas Herbert), Sir, 1887-1975 -- Archives, 1 canlyniadau
- Parry-Williams, Amy, Lady, 1910-1988 -- Archives., 1 canlyniadau
- Parry-Williams, Henry, 1858-1925 -- Archives., 1 canlyniadau
- Parry-Williams, Henry, 1858-1925, 1 canlyniadau
- Parry-Williams, Amy, Lady, 1910-1988., 1 canlyniadau
- Pob un
- North America -- Description and travel., 2 canlyniadau
- Middle East -- Description and travel., 1 canlyniadau
- Lisbon (Portugal) -- Description and travel., 1 canlyniadau
- South America -- Description and travel., 1 canlyniadau
- College teachers as authors -- Wales., 1 canlyniadau
- Poets, Welsh -- 20th century., 1 canlyniadau
- Welsh prose literature -- 20th century., 1 canlyniadau
- Folk music -- Wales., 1 canlyniadau
- Art festivals -- Wales., 1 canlyniadau
