Welsh Regional Hospital Board accounts. Ychwanegu i'r clipfwrdd C9/8. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Regional Hospital Board [8]. Ychwanegu i'r clipfwrdd C6/7. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Regional Hospital Board. Ychwanegu i'r clipfwrdd C11/12. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Regional Hospital Board. Ychwanegu i'r clipfwrdd C8/8. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Publications Sub-committee, 6 July 1929. Ychwanegu i'r clipfwrdd A4/3. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Outlook Press, (Articles) 1929-33 [273A]. Ychwanegu i'r clipfwrdd B1/53. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Outlook Press file (special articles), 1929-36 [273] (two files). Ychwanegu i'r clipfwrdd B1/52. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh National Memorial Service for Mr Dag Hamarskjold at Cardiff Cathedral, 21 Oct. 1961 - correspondence, acceptances, etc. [126]. Ychwanegu i'r clipfwrdd C1/71. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh National Council, general circulars, 1928-33 [117] (two files). Ychwanegu i'r clipfwrdd B1/102. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh National Council balance sheet and Income and Expenditure account, Dec. 1930 - Dec. 1936. Ychwanegu i'r clipfwrdd A2/14. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh National Congress on International Affairs, Cardiff, 28 Oct. 1967. Ychwanegu i'r clipfwrdd C22/19. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh National Agricultural Show, 1928-35 [101]. Ychwanegu i'r clipfwrdd B1/3. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Headquarters reminders, 1925-32. Ychwanegu i'r clipfwrdd A2/15. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Headquarters members, l Jan. 1946 - 31 Dec. 1947 [25(2)]. Ychwanegu i'r clipfwrdd C1/10. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Headquarters members, Jan.-Dec. 1948 [25(3)]. Ychwanegu i'r clipfwrdd C1/11. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Headquarters members, 1 Jan. 1944 - 29 Dec. 1945 [25(1)]. Ychwanegu i'r clipfwrdd C1/9. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Headquarters Foundation membership, one letter, 20 June 1925; 31 July 1934 - 30 Dec. 1938 [610a] (three files). Ychwanegu i'r clipfwrdd B2/10. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Headquarters branch, Dec. 1931 - 28 Dec. 1938 [610] (four files). Ychwanegu i'r clipfwrdd B2/9. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Council circulars to branches, 1923-33 [113] (four files). Ychwanegu i'r clipfwrdd B1/100. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Welsh Committee in World Citizenship, March-Oct. 1945. Ychwanegu i'r clipfwrdd C20/4. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,