Brutus wrote a book with the title De officiis (Seneca, Epp. 95, 45). […] Plutarch, Pompeius 40; Josephus, BF 1, 155; Seneca, De tranquillitate animi 8, 6: ‘quern non puduit locupletiorem esse Pompeio. ’ 5 Suetonius, Divus Iulius 76, 3. […] The principal pieces of evidence are: Dio 42, 51, 5; 43, 20, 2; 27, 1; 47, 3; 48, 22, 3; Suetonius, Divus Iulius 76, 3 and 80, 2; Cicero, Ad Jam. 6, 18, 1; De div. 2, 23; De off. 2, 29; Phil. 11, 12; 13, 27; Seneca, Controv. 7, 3, 9; Macrobius 2, 3, 11. […] 3 Seneca, De ben. 3, 32, 4: ‘M. […] Agrippa himself preferred to drop it (Seneca, Controv. 2, 4, 13).