Paragraph 1, Line 25 Oratoria: In Pisonem by Cicero
Paragraph 1, Line 7 Oratoria: Pro Scauro by Cicero
Paragraph 9, Line 9 De Oratore II by Cicero
Paragraph 1, Line 8 Philosophia: De Fato by Cicero
Paragraph 1, Line 5 Philosophia: Paradoxa by Cicero
Section PARADOXON I., Paragraph 1, Line 2 Philosophia: Paradoxa by Cicero
Section PARADOXON III., Paragraph 1, Line 5 De Re Publica I by Cicero
Paragraph 11, Line 11 De Finibus Bonorum Et Malorum: De Finibus II by Cicero
Paragraph 1, Line 23 Tusculan Disputations I by Cicero
Paragraph 10, Line 10 Tusculan Disputations II by Cicero
Paragraph 12, Line 13 Tusculan Disputations V by Cicero
Paragraph 1, Line 19