- Twll Ddu
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- Twll Ddu - 1976 (Fanzine) (1976) [ED] by David Langford
- Twll Ddu - 1977 (Fanzine) (1977) [ED] by David Langford
- Twll Ddu - 1978 (Fanzine) (1978) [ED] by David Langford
- Twll Ddu - 1979 (Fanzine) (1979) [ED] by David Langford
- Twll Ddu - 1980 (Fanzine) (1980) [ED] by David Langford
- Twll Ddu - 1981 (Fanzine) (1981) [ED] by David Langford
- Twll Ddu - 1982 (Fanzine) (1982) [ED] by David Langford
- Twll Ddu - 1983 (Fanzine) (1983) [ED] by David Langford