Ethical Writings of Cicero: De Officiis (On Moral Duties); De Senectute (On Old Age); De Amicitia (On Friendship), and Scipio’s Dream, trans. Andrew P. Peabody (Boston: Little, Brown, and Co., 1887). 3 volumes in 1. http://oll.libertyfund.org/titles/540,
A collection of Cicero’s writings which includes On Old Age, On Friendship, Officius, and Scipio’s Dream.
The text is in the public domain.