Robert Motherwell, paintings and collages : a catalogue raisonné, 1941-1991 /
Jack Flam, Katy Rogers and Tim Clifford.
- 3 volumes : illustrations ; 31 cm
Includes bibliographical references and index.
v. 1. Essays and references -- v. 2. Paintings on canvas and panel -- v. 3. Collages and paintings on paper and paperboard.