Executive Committee minutes, 1922-33 [123] (six files). Ychwanegu i'r clipfwrdd B1/31. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Workers' Educational Association, 1922-32 [87]. Ychwanegu i'r clipfwrdd B1/38. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
The Institute for British-American Understanding, Dec. 1943 - Dec. 1945 [152(1)]. Ychwanegu i'r clipfwrdd B1/40. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Libraries, 1926-33 [224]. Ychwanegu i'r clipfwrdd B1/44. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Coleg Harlech, June 1927 - Nov. 1938 [248] (two files). Ychwanegu i'r clipfwrdd B1/45. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Geneva scholarship forms, etc., March-Aug. 1928 [263a]. Ychwanegu i'r clipfwrdd B1/47. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Summer schools and parties, 1931-4 [280]. Ychwanegu i'r clipfwrdd B1/50. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Publications: Books, leaflets, etc., 1923-32 [100] (two files). Ychwanegu i'r clipfwrdd B1/51. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Daffodil Days-letters, flag days, carnivals, stalls, etc., 1935-9, 1946-7 [88] (fifteen files). Ychwanegu i'r clipfwrdd B1/54. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
