Viewers at 9 Evenings: Theatre and Engineering, The 69th Regiment Armory (New York, N.Y., U.S.), October 13-23, 1966 / produced by Experiments in Art and Technology; Factual footage shot in 16 mm film by Alfons Schilling. The Daniel Langlois foundation for Art, Science, and Technology, 9 Evenings: Theatre and Engineering fonds.