John Cage, Notations, Something Else Press, New York, 1969 | Notations, John cage, Fluxus
DOC • Graphic notation: a brief history of visualising music
Notations: John Cage Publishes a Book of Graphic Musical Scores, Featuring Visualizations of Works by Leonard Bernstein, Igor Stravinsky, The Beatles & More (1969) | Open Culture
5 1/2 Examples of Experimental Music Notation | Arts & Culture| Smithsonian Magazine
John Cage Archives • A Playful Path
Eye Magazine | Feature | Sound, code, image
Notations - Wikipedia
Notations, by John Cage. | 4izq
John Cage - Aria - Art and music collide in these 20 stunning graphic scores - Classic FM