4th Ave., Minneapolis

Ancient Volcanic Vent at Bifrust, Iceland

1976 · Ikke udstillet · Museum of Modern Art

Midnight Sun, Barents Sea, between Bjørnøya and Svalbard

1981 · Ikke udstillet · Museum of Modern Art

Untitled

20th century · Ikke udstillet · Minneapolis Institute of Art

Nyhamm, Copehnhagen

1964 · Ikke udstillet · Minneapolis Institute of Art

Sam's Point, Ellenville, New York

1967 · Ikke udstillet · Minneapolis Institute of Art

CBS Building, 53rd Street, Manhattan

1968 · Ikke udstillet · Minneapolis Institute of Art

47th Street, Manhattan

1968 · Ikke udstillet · Minneapolis Institute of Art

Old Taos Pueblo Road, New Mexico

1968 · Ikke udstillet · Minneapolis Institute of Art

Vincent van Gogh

Olive Trees, 1889

Claude Monet

Grainstack, Sun in the Mist, 1891

Rembrandt van Rijn

Lucretia, 1666

Francisco de Goya

Self-Portrait with Dr. Arrieta, 1820

Vasily Kandinsky

Study for Improvisation V, 1910

Paul Gauguin

Tahitian Landscape, 1891

Paul Cézanne

Chestnut Trees at Jas de Bouffan, c. 1885–86

Peter Paul Rubens

The Union of England and Scotland (Charles I as the Prince of Wales), 1633–34