[18]. Ad Att. ii. 15.
[19]. Ibid. ii. 4.
[20]. Ad Quint. iii. 1, 4.
[21]. Ad Att. iv. 15.
[22]. Ibid. iv. 1.
[23]. Ad fam. ix. 24.
[24]. Ad Att. vii. 9.
[25]. Ad Att. vii. 1, 2.
[26]. Forsyth, Life of Cicero. London, Murray, 1864. Merivale, History of the Romans under the Empire, vols. i., ii.
[27]. Abeken, Cicero in seinen Briefen. Hannover, 1835.