Opposition and Sister Squares are Reconciled by M. Duchamp & V. Halberstadt (L'Opposition et les cases conjuguées sont réconciliées par M. Duchamp & V. Halberstadt)
Opposition and Sister Squares are Reconciled by M. Duchamp & V. Halberstadt (L'Opposition et les cases conjuguées sont réconciliées par M. Duchamp & V. Halberstadt)
1932
Leather-bound deluxe edition book, with notes and inserts added by Duchamp
Philadelphia Museum of Art
Gift of Jacqueline, Paul, and Peter Matisse in memory of their mother, Alexina Duchamp, 1998
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