Catholic Church. Pope (1963-1978 : Paul VI), National Catholic Welfare Conference, & Paul VI, P. (1964). Studia latinitatis: Motu proprio of Pope Paul VI authorizing the establishment of a Pontifical Institute for advanced Latin Studies, February 22, 1964. National Catholic Welfare Conference.

Catholic Church. Pope (1963-1978 : Paul VI), National Catholic Welfare Conference, and Pope Paul VI. Studia Latinitatis: Motu Proprio of Pope Paul VI Authorizing the Establishment of a Pontifical Institute for Advanced Latin Studies, February 22, 1964. Washington, D.C.: National Catholic Welfare Conference, 1964.

Catholic Church. Pope (1963-1978 : Paul VI), et al. Studia Latinitatis: Motu Proprio of Pope Paul VI Authorizing the Establishment of a Pontifical Institute for Advanced Latin Studies, February 22, 1964. National Catholic Welfare Conference, 1964.