Harvard Productions Films
- 1976
The Unanswered Question IV : The Delights and Dangers of Ambiguity
The Unanswered Question IV : The Delights and Dangers of Ambiguity91976HD
- 1962
Saintly Sinners
Saintly Sinners31962HD
- 1976
The Unanswered Question I : Musical Phonology
The Unanswered Question I : Musical Phonology91976HD
- 1976
The Unanswered Question V : The Twentieth Century Crisis
The Unanswered Question V : The Twentieth Century Crisis91976HD
- 1976
The Unanswered Question III : Musical Semantics
The Unanswered Question III : Musical Semantics91976HD
- 1976
The Unanswered Question VI : The Poetry of Earth
The Unanswered Question VI : The Poetry of Earth91976HD
- 1976
The Unanswered Question II : Musical Syntax
The Unanswered Question II : Musical Syntax91976HD