UNA Accounts, ETC., 1958. Ychwanegu i'r clipfwrdd C13. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
UNA Accounts, ETC., 1957. Ychwanegu i'r clipfwrdd C12. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
UNA Accounts, ETC., 1956. Ychwanegu i'r clipfwrdd C11. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
UNA Accounts, ETC., 1955. Ychwanegu i'r clipfwrdd C10. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
UNA General Files. Ychwanegu i'r clipfwrdd C1. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
LNU Miscellaneous Papers. Ychwanegu i'r clipfwrdd B6. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
Headway Notes, Correspondence, Press Cuttings, Etc. Ychwanegu i'r clipfwrdd B5. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
Membership, County Files, ETC., 1930s. Ychwanegu i'r clipfwrdd B4. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
Weekly Returns, Membership, ETC., 1920s. Ychwanegu i'r clipfwrdd B3. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
Branch Files: Branches General. Ychwanegu i'r clipfwrdd B2. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
Secondary Records Of The LNU. Ychwanegu i'r clipfwrdd B. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
Volumes Of Primary Records (League Of Nations And United Nations Association). Ychwanegu i'r clipfwrdd Al. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
LNU Minutes Of Sub-committees. Ychwanegu i'r clipfwrdd A4. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
LNU Committees. Ychwanegu i'r clipfwrdd A3. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,
League Of Nations Union, Welsh National Council. Ychwanegu i'r clipfwrdd A2. Is-fonds Rhan oLeague of Nations Union and United Nations Association Records,