Text in periodical
Morse, Meredith. – «e-Collaborations in Sixties America: 9 Evenings, the Dancer's Body, and Electronic Technologies». – Scan [on line]. – Vol. 4, no. 1 (April 2007). – N. p. {{scan.net.au}}
Part of Web site
Bardiot, Clarisse. – «9 Evenings: Theatre and Engineering». – Fondation Daniel Langlois pour l'art, la science et la technologie = Daniel Langlois Foundation for Art, Science, and Technology. – Montréal : Daniel Langlois Foundation for Art, Science, and Technology. – English and French text. – Texte written in 2006. {{www.fondation-langlois.org}}
Archive document
Cage, John. – Remarks by John Cage. – September 29, 1966. – [2] p. – Artist's statement. – Included in the file entitled «Press package for 9 evenings : theatre and engineering».
Text in periodical
Genauer, Emily. – «Engineers asleep at the switch». – World Journal Tribune. – (Nov. 6, 1966). – P. 33-34.
Festival
15th Annual Avant Garde Festival of New York, The Passenger Ship Terminal at 55th Street, New York, N. Y., United States, July 20, 1980.
Festival
14th Annual New York Avant Garde Festival and 2nd Annual Cambridge River Festival, Charles River, Cambridge, Mass., United States, May 20, 1978.
Festival
12th Annual Avant Garde Festival of New York, Gateway National Recreation Area, Brooklyn, N. Y., United States, September 27, 1975.