The correspondence of Marcus Cornelius Fronto with Marcus Aurelius Antoninus, Lucius Verus, Antoninus Pius, and various friends / edited and for the first time translated into English by C.R. Haines. In two volumes. - Fronto, Marcus Cornelius, c. 100-175. (OLS)http://pul/name/6592; Haines, Charles Reginald. (OLS)http://pul/name/19299; Aurelius Antoninus, Marcus, imperatore romano, 121-180. Epistulae (Aurelius Antoninus, Marcus, imperatore romano, 121-180). Inglese e latino Gruppi, scelte. (OLS)http://pul/name/19298 (W. Heinemann, 1955)
Testo latino a fronte.
Ristampa della ed. 1919-1920.
At the end of the volume: "Miscellaneous letters of Marcus Aurelius".

Au service de la paix : l'idée fédéraliste / Raymond Silva. - Silva, Raymond. (OLS)http://pul/name/31011 (La Baconnière, 1944)
Bibliografia in nota.