bold = Main text
  Liber, Caput     grey = Comment text

1     Int,       I|   reader to judge. During the progress of this work I shall have
2     Int,      II|      necessary [xviii] to the progress of philosophy, which was
3     Int,     III|       channels that so little progress has been made. The history
4     Int,      IV|      be with reference to the progress of the Academica that in
5     Int,      IV|      years without making any progress173, shows that there could
6     Int,      IV| written to Atticus during the progress of the work contains entreaties
7     Not,       2|     III. 69 and Arist. on the progress of philosophy as there quoted.