Illustration 6 by Tom Seidmann-Freud from Buch Der Hasengeschichten, The Book of Rabbit Stories, 1924

Illustration 7 by Tom Seidmann-Freud from Buch Der Hasengeschichten, The Book of Rabbit Stories, 1924

Illustration 8 by Tom Seidmann-Freud from Buch Der Hasengeschichten, The Book of Rabbit Stories, 1924

Illustration 9 by Tom Seidmann-Freud from Buch Der Hasengeschichten, The Book of Rabbit Stories, 1924

Essential New Year's Gifts (Etrennes essentielles du jour de l'an), c. 1800–20

Beginning to Rain of Hans Thoma, 1902

A diagram demonstrating that sheep are basically rectangles from Transactions of the Society for the Promotion of Useful Arts, in the State of New York v.2 - 1807

Summer Sun (Portsmouth, N. H.), 1928, wood engraving on paper by Asa Cheffetz - 1928

Venus from Le Sphaerae Coelestis et Planetarum [The Spheres of the Heavens and the Planets] by Cristoforo de Predis, 1491

Sun from Le Sphaerae Coelestis et Planetarum [The Spheres of the Heavens and the Planets] by Cristoforo de Predis, 1491

Saturn from Le Sphaerae Coelestis et Planetarum [The Spheres of the Heavens and the Planets] by Cristoforo de Predis, 1491

Mercury from Le Sphaerae Coelestis et Planetarum [The Spheres of the Heavens and the Planets] by Cristoforo de Predis, 1491

Mars from Le Sphaerae Coelestis et Planetarum [The Spheres of the Heavens and the Planets] by Cristoforo de Predis, 1491

Autumn from The Four Seasons by Wenceslaus Hollar, 1644

The Legislative Belly (Le ventre legislatif) by Honoré Daumier, 1834

The Vision of God by William Blake, 1825

Beginning to Rain by Hans Thoma, 1902

The Rhinoceros by Albrecht Dürer, 1515

Spring from The Four Seasons by Wenceslaus Hollar, 1644

Winter from The Four Seasons by Wenceslaus Hollar, 1644

Summer from The Four Seasons by Wenceslaus Hollar, 1644

Scales from a Butterfly Wing from Marvels of the Universe - 1912

Fishes That Swim Curiously from Marvels of the Universe, 1912