Paragraph 16, Line 24 Letters To Friends: Ad Familiares XVI by Cicero
Paragraph 20, Line 29 De Agri Cultura by Cato the Elder
Paragraph 1, Line 2 Ab Urbe Condita Libri: III by Livy
Paragraph 2, Line 5 Ab Urbe Condita Libri: Book XXXVI by Livy
Paragraph 2, Line 6