On the Walrus (Trichecus rosmarus), Transactions of the Zoological Society of London by James Murie - 1872

Celestial Eyes, Cover for The Great Gatsby by Francis Cugat, 1925

Nocturnal Homecoming by Franz Sedlacek, 1927

Alegoría de la Caridad (Allegory of Charity) by Francisco de Zurbarán - 1655

Agnus Dei by Francisco de Zurbarán - c. 1635

The Princess and The Pea by Edmund Dulac - 1910

An April Shower, A View from Binsey Ferry Near Oxford, Looking Towards Port Meadow and Godstow by William Turner, 1842

Crouching Midget by Aubrey Beardsley - c. 1892

Sun, Spots on the Sun, Transits of Mercury & Venus from Smith's Illustrated Astronomy by Asa Smith - 1849/1850

Definitions from Smith's Illustrated Astronomy by Asa Smith - 1849/1850

The Seasons from Smith's Illustrated Astronomy by Asa Smith - 1850

Centrifugal, Centripetal Force from Smith's Illustrated Astronomy by Asa Smith - 1850

Refraction, parallax, light, heat from Smith's Illustrated Astronomy by Asa Smith - 1850

Saturn from Smith's Illustrated Astronomy by Asa Smith - 1850

Centrifugal, Centripetal Force from Smith's Illustrated Astronomy by Asa Smith - 1850

Signs of the Zodiac from Smith's Illustrated Astronomy by Asa Smith - 1850

Venus and Mars from Smith's Illustrated Astronomy by Asa Smith - 1850

Eclipses from Smith's Illustrated Astronomy by Asa Smith - 1850

Greatest Number of Eclipses in one Year from Smith's Illustrated Astronomy by Asa Smith - 1850

The Black Sun by Odilon Redon - c. 1900

The Flight into Egypt by Jean-Francois Millet - 1864

Skeletons Fighting Over a Pickled Herring by James Ensor - 1891

Blauschwarzer Fuchs, (Blue-Black Fox) by Franz Marc - 1911