The following works contain what is referred to in these lessons, and more besides. Individual works of Plato and Aristotle are also available in any number of editions.
The Presocratic Philosophers, second edition. G.S. Kirk, J. E. Raven and M. Schofield. Cambridge University Press, 1983.
Plato. The Collected Dialogues of Plato including the Letters, edited by Edith Hamilton and Huntington Cairns, with Introduction and Prefatory Notes. Bollingen Series LXXI. New York: Pantheon Books, 1961.
Aristotle. The Complete Works of Aristotle, edited by Jonathan Barnes. 2 volumes. Bollingen Series LXXI *2. Princeton: Princeton University Press, 1984.
The Basic Works of Aristotle, edited with an introduction by Richard McKeon. New York: Random House, 1941.
Neoplatonism. Neoplatonism, R. T. Wallis. New York: Charles Scribner's Sons, 1972.
Stoicism. The Stoic Philosophy of Seneca, Moses Hadas. New York: Doubleday Anchor, 1958.