Traité du monde et de la lumière by René Descartes (1596–1650) was written between 1629 and 1633.
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 7b
Chapter 8
Chapter 8b
Chapter 9
Chapter 9b
Chapter 10
Chapter 10b
Chapter 11
Chapter 11b
Chapter 12
Chapter 13
Chapter 13b
Chapter 13c
Chapter 14
Chapter 15
Chapter 15b
