| C33186 (cassette) | Norton Seminar, November 2, 1988 |
| C33187 (cassette) | Norton Seminar, February 15, 1989 |
| C33189 (cassette) | Norton Seminar, April 26, 1989 |
| C33181 (2 cassettes) | Norton Lecture No.3 |
| C33182 (cassette) | Norton Lecture No.4 |
| C33183 (cassette) | Norton Lecture No.5 |
| C33184 (cassette) | Norton Lecture No.6 |
| ML410.C24 J65 1967x (tape reel) | John Cage in class with Billy Kluver |