Bruce Nauman, “Double Doors – Projection and Displacement”, 1973
The photograph was published in Musée d’art moderne de la ville de Paris. (1990) Un Choix d’art minimal dans la collection Panza, Musée d’art moderne de la ville de Paris, Paris: Paris-musées : Les Amis du Musée d’art moderne de la ville de Paris.
The text was published in Nauman B and Kraynak J. (2003) Please pay attention please: Bruce Nauman’s words writings and interviews, Cambridge, Mass.: MIT Press.
The text indicates that the wall closest to the camera is existing and the two further walls are constructed for the installation.