2: Liturgia fondamentale. (Scientia liturgica, 1998)

2: Epistulae. - Augustinus, Aurelius, santo, 354-430. (OLS)http://ftis/name/51050; Goldbacher, Aloys. (OLS)http://ftis/name/82829 (G. Freytag, F. Tempsky, 1911)