Themed Set – Abstract-ish, Most Recent Additions
- Lobster Anonymous, 1840-1900
- View of Enoshima Totoya Hokkei, 1821
- Celestial phenomenon over Worms, 1540 Anonymous, 1540
- Butterfly Wing Scales Adam Wolfgang Winterschmidt, ca. 1760
- Hamburg Fireworks Christian Friedrich Fritzsch, 1745
- Cosmic Figure Annibal Barlet, 1657
- The Diversity of Infinity Thomas Wright, 1750
- A Finite View of Infinity Thomas Wright, 1750
- Frustules of Diatoms Julius Wiesner, 1870
- Decomposition of Light: Structure of the Solar Rays Edward Livingston Youmans, 1856
- The Reverse of a Framed Painting Cornelis Norbertus Gijsbrechts, ca. 1670
- Ancient Courses: Mississippi River Meander Belt, Plate 22 sheet 6 Harold Fisk, 1944
- Comet Unknown (Starburst) Anonymous, 1587
- Bizzarie di varie Figure 10 Giovanni Battista Bracelli, 1624
- Bizzarie di varie Figure 6 Giovanni Battista Bracelli, 1624
- Sky Phenomena Anonymous, 1729
- Perspective of the Regular Bodies: I Wentzel Jamnitzer, 1568
- Diagram of the Macrocosm Robert Fludd, 1617
- Diagram of Sunlight in Various Stages Through a Prism Robert Fludd, 1626
- The Corona Anonymous, 1871
- Total Eclipse of July 7 1842 Anonymous, 1842
- Sir William Herschel's Diagram of the Heavenly Bodies Anonymous, 1813
- "And so on to infinity…” Robert Fludd, 1617
- Fine Wind, Clear Morning Katsushika Hokusai, ca. 1830–32