Seasons Publicity, Ychwanegu i'r clipfwrdd [SP/1944-1949] Cyfres 1944-1949. Rhan oWelsh National Opera Records Seasons Publicity, 1944-9.
Seasons Publicity, Ychwanegu i'r clipfwrdd [SP/1951-1959] Cyfres 1951-1959. Rhan oWelsh National Opera Records Seasons Publicity, 1951-9.
Seasons Publicity, Ychwanegu i'r clipfwrdd [SP/1960-1969] Cyfres 1960-1969. Rhan oWelsh National Opera Records Seasons Publicity, 1960-9.
Seasons Publicity, Ychwanegu i'r clipfwrdd [SP/1970-1983] Cyfres 1970-1983. Rhan oWelsh National Opera Records Seasons Publicity, 1970-83.