These sets were added to the same sets as the selected media entry.
Athanasius Kircher: Ars magna lucis et umbrae (1671)
Hermann von Helmholtz: Handbuch der physiologischen Optik (1896)
Isaac Newton: Opticks (1704)
Philipp Otto Runge: Farben-Kugel (1810)
René Descartes: Discours de la méthode (1658)