Thils Gustave. The Catholic Theological Society of America, Proceedings of the Twenty-Sixth Annual Convention. Baltimore, Maryland, June 14-17, 1971 , 1972. In: Revue théologique de Louvain, 3ᵉ année, fasc. 4, 1972. pp. 478-479.
Thils Gustave. The Catholic Theological Society of America, Proceedings of the Twenty-Sixth Annual Convention. Baltimore, Maryland, June 14-17, 1971 , 1972. In: Revue théologique de Louvain, 3ᵉ année, fasc. 4, 1972. pp. 478-479.