Notes
- Butterfield , Jan . 1972 . “The State of the Real” . Arts Magazine , Summer : 48
- Cage , John . 1966 . Variations VI , 1 New York : Henmar Press .
- Levine , Edward . 1977 . “Robert Irwin's Recent Work” . Artforum , December : 28 – 29 .
- Wittgenstein , Ludwig . 1958 . Philosophical Investigations , 48 Oxford : Basil Blackwell and Mott, Ltd. .
- Means , Loren . 1977–78 . Composer Magazine 9
- Simon , Douglas . 1980 . Chambers , 35 Middletown, Conn. : Wesleyan U. Press .
- Graham , Dan . 1981 . Scheme in The Old Poetries and The New , Edited by: Kostelanetz , Richard . 143 – 144 . Ann Arbor : University of Michigan Press .
- Becker , Howard S. and Walton , John . 1975 . “Social Science and the Work of Hans Haacke” . In Framing and Being Framed , 145 New York : New York University Press .