Chapters 10-12, ordered and numbered by the author as follows:
Chapter 10 (without title): 379-84, 385A and B (on the verso of 384), 385, 386A (on the verso of 385), 386-404, 405A (on the verso of 404), 405-17.
Chapter 11 (without title): 418-23, 2 sheets typescript without number, 424-42, 443A (on the verso of 442), 443-58, 457A (on the verso of 458), 458A (on the verso of 456).
Chapter 12 (without title): 460-4, 465A (on the verso of 464), 465-8, 468A-B, 469-72, 473A (on the verso of 472), 473-502.