The two systems are the commercial of Mercantilism and the agricultural of the Physiocrats
Chapter 1a Simplified
Chapter 1b
Chapter 1c
Chapter 1d
Chapter 2a
Chapter 2b of Book 4
Chapter 2c
Chapter 2d
Chapter 3a
Chapter 3b
Chapter 3c
Chapter 3d
Chapter 3e
Chapter 3f
Chapter 3g
Chapter 4
Chapter 5
Chapter 5b
Chapter 5c
Chapter 5d
Chapter 5e
Chapter 5h
Chapter 5i
Chapter 5j