Monet

Claude Monet, Stacks of Wheat (End of Day, Autumn), 1890–91. Art Institute of Chicago.

Public domain.

Source: Wikimedia Commons

Léger

Fernand Léger, Contrast of Forms, 1913.

Public domain (published 1913).

Source: Wikimedia Commons

Kandinsky

Vasily Kandinsky, Composition VII, 1913. State Tretyakov Gallery, Moscow.

Public domain.

Source: Wikimedia Commons

Mondrian

Piet Mondrian, Composition with Red, Blue and Yellow, 1930.

Public domain.

Source: Wikimedia Commons

Bultman

Fritz Bultman, Blue Triptych, 1961. Courtesy of the Estate of the Artist.

Reproduced by permission of the Estate.

Degas

Edgar Degas, Dancers Practicing at the Barre, 1877. The Metropolitan Museum of Art.

Public domain.

Source: The Metropolitan Museum of Art, via Wikimedia Commons

Rodin

Auguste Rodin, The Thinker, modeled 1880. The Metropolitan Museum of Art.

Public domain. CC0.

Source: Wikimedia Commons

Monet

Claude Monet, Water Lily Pond, 1900. Art Institute of Chicago.

Public domain.

Source: Wikimedia Commons

Ingres

Jean-Auguste-Dominique Ingres, Princesse de Broglie, 1851–53. The Metropolitan Museum of Art.

Public domain. CC0 / Open Access.

Source: The Metropolitan Museum of Art

Cézanne

Paul Cézanne, The Card Players, 1890–92. The Metropolitan Museum of Art.

Public domain.

Source: Wikimedia Commons

Maillol

Aristide Maillol, Pomone, Jardin des Tuileries, Paris.

Public domain. CC BY-SA 3.0.

Source: Wikimedia Commons

Monet

Claude Monet, Impression, Sunrise, 1872. Musée Marmottan Monet, Paris.

Public domain.

Source: Wikimedia Commons

Klint

Hilma af Klint, The Ten Largest, No. 7, Adulthood, 1907. The Hilma af Klint Foundation, Stockholm.

Public domain (painted 1907).

Source: Wikimedia Commons

Gogh

Vincent van Gogh, Irises, 1889. J. Paul Getty Museum, Los Angeles.

Public domain.

Source: Wikimedia Commons

Cézanne

Paul Cézanne, Mont Sainte-Victoire, 1902–06.

Public domain.

Source: Wikimedia Commons