bold = Main text
  Liber, Caput     grey = Comment text

1     Int,       I|        study at his estates near Tusculum, Antium, Formiae, and elsewhere.
2     Int,      IV|        Tullia, which happened at Tusculum in February, 45 B.C., Cicero
3     Int,      IV|          intention to proceed to Tusculum or Rome by way of Lanuvium
4     Int,      IV|      entertained an aversion for Tusculum, where she died. This he
5     Int,      IV| otherwise he must either abandon Tusculum altogether, or, if he returned
6     Int,      IV|   Atticus, who visited Cicero at Tusculum, had doubtless pointed out
7     Int,      IV|     visits received by Cicero at Tusculum was one from Varro166.~On
8     Int,      IV|       Brutus frequently while at Tusculum, he apparently did not speak
9     Int,      IV|           His intention to visit Tusculum has left its mark on the