Section Cicero Attico Sal. [Rome, beginning of 66], Paragraph 2, Line 2
Letters To Atticus: Ad Atticum I by Cicero
Section Cicero Attico Sal. [Rome, July or August 67], Paragraph 3, Line 3
Letters To Friends: Ad Familiares XVI by Cicero
Paragraph 30, Line 44
De Agri Cultura by Cato the Elder
Paragraph 4, Line 9