41 Pembroke Street (two files) Ychwanegu i'r clipfwrdd UW/L80,012/17. Ffeil 1921-1939. Rhan oWelsh Church Commission Papers,
42-43 Dean Street Ychwanegu i'r clipfwrdd UW/L80,012/15. Ffeil 1921-1937. Rhan oWelsh Church Commission Papers,
42-43 High Street and 3 Maendy Place Ychwanegu i'r clipfwrdd UW/L80,012/47. Ffeil 1922-1927. Rhan oWelsh Church Commission Papers,
42-47 Gloucester Street Ychwanegu i'r clipfwrdd UW/L80,012/116. Ffeil 1929-1939. Rhan oWelsh Church Commission Papers,
46 Dean Street Ychwanegu i'r clipfwrdd UW/L80,012/21. Ffeil 1921-1923. Rhan oWelsh Church Commission Papers,
48-50 Gloucester Street Ychwanegu i'r clipfwrdd UW/L80,012/119. Ffeil 1929-1934. Rhan oWelsh Church Commission Papers,
49 Dean Street (four files) Ychwanegu i'r clipfwrdd UW/L80,012/18. Ffeil 1921-1940. Rhan oWelsh Church Commission Papers,
49 Pembroke Street (two files) Ychwanegu i'r clipfwrdd UW/L80,012/23. Ffeil 1921-1926. Rhan oWelsh Church Commission Papers,
4Th report of the WCC, 1918, Ychwanegu i'r clipfwrdd WCC/ADMIN 5. Ffeil 1919. Rhan oWelsh Church Commission Papers,
51 Pembroke Street Ychwanegu i'r clipfwrdd UW/L80,012/117. Ffeil 1929-1934. Rhan oWelsh Church Commission Papers,
53 Dean Street Ychwanegu i'r clipfwrdd UW/L80,012/77. Ffeil 1924. Rhan oWelsh Church Commission Papers,
53 Seymour Street Ychwanegu i'r clipfwrdd UW/L80,012/57. Ffeil 1923-1933. Rhan oWelsh Church Commission Papers,
53-55 Pembroke Street Ychwanegu i'r clipfwrdd UW/L80,012/24. Ffeil 1921-1940. Rhan oWelsh Church Commission Papers,
54 Seymour Street Ychwanegu i'r clipfwrdd UW/L80,012/69. Ffeil 1924-1934. Rhan oWelsh Church Commission Papers,
55 Dean Street Ychwanegu i'r clipfwrdd UW/L80,012/61. Ffeil 1923. Rhan oWelsh Church Commission Papers,
55 Seymour Street Ychwanegu i'r clipfwrdd UW/L80,012/40. Ffeil 1920-1933. Rhan oWelsh Church Commission Papers,
55-56 Gloucester Street and 54-55 Dean Street Ychwanegu i'r clipfwrdd UW/L80,012/72 Ffeil 1924. Rhan oWelsh Church Commission Papers,
5-6 Canon Street Ychwanegu i'r clipfwrdd UW/L80,012/4. Ffeil 1921-1928. Rhan oWelsh Church Commission Papers,
5-6 Commercial Street Ychwanegu i'r clipfwrdd UW/L80,012/124. Ffeil 1931-1936. Rhan oWelsh Church Commission Papers,
56 Dean Street Ychwanegu i'r clipfwrdd UW/L80,012/45. Ffeil 1922-1938. Rhan oWelsh Church Commission Papers,