Monday's image: October 30, 2017

Ellsworth Kelly, Yellow Red Curve I, Oil on canvas, 203.2 x 313.7 centimeters, 1972, Museo Nacional Centro De Arte Reina Sofia, Madrid

Monday's image: October 23, 2017

Terri Garland, Political Candidate, Scott, Louisiana, Chromogenic print, 16.9 x 24.6 centimeters, 1991, Art Institute of Chicago, Illinois

Monday's image: October 2, 2017

Rafael Canogar, Police Barricade (Cordón de policía) from The Earth, Lithograph and embossing, from a portfolio of 14 lithographs, 22 1/16 x 30 1/16 inches, 1969, Museum of Modern Art, New York

Monday's image: August 21, 2017

Helen Pashgian, Untitled, Cast polyester resin, 8 inches diameter, 1968-1969, Museum of Contemporary Art San Diego, California