General correspondence, Cardigan, Nov. 1936 - Dec. 1937. Ychwanegu i'r clipfwrdd B4/19. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
General correspondence, Glamorgan, Sept. 1936 - April 1937. Ychwanegu i'r clipfwrdd B4/22. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
General correspondence, Monmouth, Nov. 1936 - March 1938. Ychwanegu i'r clipfwrdd B4/24. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
General correspondence, Pembroke, April 1937 - Jan. 1938. Ychwanegu i'r clipfwrdd B4/25. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
General correspondence, Radnor, April 1937 - Feb. 1938. Ychwanegu i'r clipfwrdd B4/26. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Records' file, Oct. 1937 - Oct. 1938. Ychwanegu i'r clipfwrdd B4/29. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Press cuttings, Dec. 1934,1935; 1936. Ychwanegu i'r clipfwrdd B5/6. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
ILO General - reports of the International Labour Conference, 1927-9. Ychwanegu i'r clipfwrdd B6/3. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Notes on 'The Proposed Ministry of Defence'. Ychwanegu i'r clipfwrdd B6/15. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Financial accounts relating to electric lamps. Ychwanegu i'r clipfwrdd B6/17. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
General files, 1944-1953. Ychwanegu i'r clipfwrdd C1/1-40. Cyfres Rhan oLeague of Nations Union and United Nations Association Records,
Miscellaneous, Feb. 1943 - 31 Oct. 1945 [22(1)]. Ychwanegu i'r clipfwrdd C1/2. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Staff, March 1944 - Dec. 1945 [26]. Ychwanegu i'r clipfwrdd C1/12. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
UNA London Executive Committee minutes, 4 Nov. 1946-April 1948 [28a(4)]. Ychwanegu i'r clipfwrdd C1/15. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
LNU London Executive Committee, Jan. Dec. 1945 [28b]. Ychwanegu i'r clipfwrdd C1/16. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
UNA (London), Jan.-Dec. 1947 [29(3)]. Ychwanegu i'r clipfwrdd C1/19. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Miscellaneous articles, Feb. 1944 - Nov. 1945 [34(1)]. Ychwanegu i'r clipfwrdd C1/27. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
National Peace Council, Jan. 1944 - Nov. 1945 [40(1)]. Ychwanegu i'r clipfwrdd C1/32. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Branch letters, Dec. 1943 - Oct. 1948 [43(1)]. Ychwanegu i'r clipfwrdd C1/33. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Mr J. E. Pritchard, correspondence, 14 Dec. 1956 - 31 Dec. 1947 [47b(1)]. Ychwanegu i'r clipfwrdd C1/35. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,