subject – Diagrams
- Cosmic Figure Annibal Barlet, 1657
- The Diversity of Infinity Thomas Wright, 1750
- Stars Arranged in Rings Thomas Wright, 1750
- Perspective View of the Visible Creation Thomas Wright, 1750
- A Finite View of Infinity Thomas Wright, 1750
- Chemistry of Combustion and Illumination Edward Livingston Youmans, 1856
- Decomposition of Light: Structure of the Solar Rays Edward Livingston Youmans, 1856
- Goethe Colour Chart Johann Wolfgang von Goethe, 1810
- Psychic Lights and Colors Edwin D. Babbitt, 1878