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| Stuart Davis Study for Swing Landscape 1937-38 oil on canvas National Gallery of Art, Washington DC |
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| El Lissitzky Oil Industry of the Soviet Socialist Republic of Azerbaidjan 1937 photomontage Moderna Museet, Stockholm |
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| Childe Hassam New York Spring 1931 etching Cooper Hewitt, Smithsonian Design Museum |
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| George Biddle Zum Brauhaus (speakeasy in New York with artist customers) 1933 oil on canvas National Portrait Gallery, Washington DC |
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| Cecil Beaton Self Portrait in the Studio ca. 1930 gelatin silver print Metropolitan Museum of Art, New York |
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| Georges Braque Seated Woman 1934 etching Agnes Etherington Art Centre, Kingston, Ontario |
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| James Daugherty Nick deVia 1934 drawing Loeb Art Center, Vassar College, Poughkeepsie, New York |
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| Robert Caby Standing Figure 1930 oil-pastel and crayon on paper Loeb Art Center, Vassar College, Poughkeepsie, New York |
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| Pavel Tchelitchew Still Life, Clown 1930 oil on canvas Art Institute of Chicago |
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| Edward Weston Igor Stravinsky ca. 1935 gelatin silver print Smithsonian American Art Museum, Washington DC |
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| Arnold Wiltz Interior 1930 wood-engraving Loeb Art Center, Vassar College, Poughkeepsie, New York |
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| Joseph Pollia Maquette for Sculpture (Family Group) ca. 1930 plaster San Jose Museum of Art, California |
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| Oscar Bluemner A Situation in Yellow 1933 oil on canvas Whitney Museum of American Art, New York |
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| Alejandro Mario Yllanes Self Portrait ca. 1930 gouache and ink on paper Loeb Art Center, Vassar College, Poughkeepsie, New York |
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| George McNeil Figural Composition #2 1932 oil on paper, mounted on panel Smithsonian American Art Museum, Washington DC |
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| Rosalind Bengelsdorf Abstraction 1938 oil on canvas Smithsonian American Art Museum, Washington DC |
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| Walter Hege Base of Ionic Column, North Porch of the Erechtheion, Athens ca. 1930 gelatin silver print Metropolitan Museum of Art, New York |
Again, Nature is so far from leaving any one part without its proper action, that she oft times imposeth two or three labours upon one, so the pizell in animals is both official unto urine and generation, but the first and primary use is generation; for many creatures enjoy that part which urine not, as fishes, birds, and quadrupeds oviparous. But not on the contrary, for the secondary action subsisteth not alone, but in concomitancy with the other; so the nostrils are useful both for respiration and smelling, but the principal use is smelling; for many have nostrils which have no lungs, as fishes, but none have lungs or respiration which have not some shew or some analogy of nostrils. Thus we perceive the providence of nature, that is, the wisdom of God, which disposeth of no part in vain, and some parts unto two or three uses, will not provide any without the execution of its proper office, nor where there is no digestion to be made, make any parts inservient to that intention.
– Sir Thomas Browne, from Pseudodoxia Epidemica (1650)