Carmarthen Training College, 11 May 1937 - 14 May 1938 [1003]. Ychwanegu i'r clipfwrdd B2/39. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Carmarthen United branch, 15 Jan. 1936 - 21 Feb. 1936 [1786]. Ychwanegu i'r clipfwrdd B2/115. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Carmarthenshire [72]. Ychwanegu i'r clipfwrdd B1/74. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Carmarthenshire, 1928-38 [11]. Ychwanegu i'r clipfwrdd B1/2. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Cash book, 1 Jan. 1925 - Dec. 1928. Ychwanegu i'r clipfwrdd A1/7. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Cash book, 1 Jan. 1933 - 31 Oct. 1937. Ychwanegu i'r clipfwrdd A1/9. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Cash book, Jan. 1929 - Dec. 1932. Ychwanegu i'r clipfwrdd A1/8. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Cemaes Council School, 4 Nov. 1927 -14 Jan. 1937 [1400]. Ychwanegu i'r clipfwrdd B2/93. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Certificates of constitution. Branches, 1922-?32. Ychwanegu i'r clipfwrdd A2/9. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
CEWC National Quiz Competition 1967; correspondence, entry forms and quiz questions. Ychwanegu i'r clipfwrdd C24/2. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Ceylon, 1931, 1937, (two files). Ychwanegu i'r clipfwrdd D4/15. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Change of addresses, Jan. 1946-55. Ychwanegu i'r clipfwrdd C5/2. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Change of secretaries, Jan. 1946-58. Ychwanegu i'r clipfwrdd C5/3. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Changes in secretaries, 1929. Ychwanegu i'r clipfwrdd B3/31. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Children's Wireless Message 1923-4, general correspondence to Sept. 1924 [115] (two files). Ychwanegu i'r clipfwrdd B1/101. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Children's Wireless Message 1926. Foreign correspondence, May-Nov. 1927 [234A]. Ychwanegu i'r clipfwrdd B1/117. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Children's Wireless Message 1928. Replies received from foreign legations and embassies. Ychwanegu i'r clipfwrdd D1/7. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Children's Wireless Message, 1925, correspondence, etc., April-Dec. 1925 [194]. Ychwanegu i'r clipfwrdd B1/112. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Children's Wireless Message, 1926, correspondence, 1926-7 [234]. Ychwanegu i'r clipfwrdd B1/116. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,
Children's Wireless Message, 1927,1930-8 [246] (five files). Ychwanegu i'r clipfwrdd B1/119. Ffeil Rhan oLeague of Nations Union and United Nations Association Records,