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The Legacy Project: Robert Motherwell
The biographical sketch provided on Robert Motherwell at this site is complete with detailed information and bibliographical references. A link is provided to pictures of his famous works including Little Spanish Prison, Catalonia, and...
Smithsonian Institution
Smithsonian American Art Museum: Robert Motherwell
As part of the Smithsonian Art Museum's database of artists, this site provides biographical information on Robert Motherwell in addition to an extensive listing of his works as displayed at the museum.