Dillon, J. T.: Musonius Rufus and Education in the Good Life: A Model of Teaching and Living Virtue, s. 52-56. University Press of America, 2004. ISBN 0761829024. Teoksen verkkoversio.
Osler, Margaret J.: Atoms, Pneuma, and Tranquillity: Epicurean and Stoic Themes in European Thought, s. 15. Cambridge University Press, 1991. ISBN 0521400481. Teoksen verkkoversio.