WAEWC, correspondence, Jan.-Dec. 1950 [2151(a)(4)]. Ychwanegu i'r clipfwrdd C20/8. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC, correspondence, 4 Jan. 1946 - 23 Dec. 1948 [2151(a)(2)]. Ychwanegu i'r clipfwrdd C20/5. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC, correspondence with the Ministry of Defence [88]. Ychwanegu i'r clipfwrdd C1/67. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC, correspondence to 31 Dec. 1949 [2151(a)(3)]. Ychwanegu i'r clipfwrdd C20/7. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC (Welsh Association for Education in World Citizenship) accounts and receipts. Ychwanegu i'r clipfwrdd C10/9. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC literature, agenda of meetings, etc., 1947-50. Ychwanegu i'r clipfwrdd C20/6. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC conferences, 13 May 1946 - June 1948 [2151(d)(1)]. Ychwanegu i'r clipfwrdd C20/9. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC conferences, 1 July 1948 - 31 Dec. 1949 [2151(d)]. Ychwanegu i'r clipfwrdd C20/10. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC competition, 21 Nov. 1947 - 31 Dec. 1949 [2151(h)]. Ychwanegu i'r clipfwrdd C20/11. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC accounts and receipts [9]. Ychwanegu i'r clipfwrdd C11/8. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC accounts and receipts [11]. Ychwanegu i'r clipfwrdd C14/10. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC accounts and receipts. Ychwanegu i'r clipfwrdd C12/7. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC accounts and receipts. Ychwanegu i'r clipfwrdd C13/11. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC accounts. Ychwanegu i'r clipfwrdd C7/9. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
WAEWC 1951. Ychwanegu i'r clipfwrdd C6/8. Ffeil 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,
Volume, United Nations Association, Cardiff branch. General Meetings Minute Book, from 16 March 1953 to 10 March 1958. Ychwanegu i'r clipfwrdd C17/4. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Volume - committees and branch secretaries. Ychwanegu i'r clipfwrdd A4/8. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Verbatim records of UNIO, (United Nations Security Council meetings), March-Sept. 1946 [57b(1)]. Ychwanegu i'r clipfwrdd C1/44. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Use of the Temple for outside organisations, Oct. 1949 - Dec. 1950 [1005(2)]. Ychwanegu i'r clipfwrdd C18/12. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,