- Directed by: Bill ReidProduced by: Vladimir Valenta1977, 25 min 05 s
- Directed by: Martin DuckworthProduced by: Colin Low1971, 14 min 23 s
- Directed by: Martin DefalcoProduced by: David Bairstow1973, 28 min 34 s
- Directed by: Robin Spry1977, 87 min 29 s
- Directed by: Robert FortierProduced by: Sally Bochner, Robert Fortier1990, 49 min 31 s
Production personnel
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