Costigan, R. F. (2005). The consensus of the church and papal infallibility: A study in the background of Vatican I. Catholic University of America Press.

Costigan, Richard F. The Consensus of the Church and Papal Infallibility: A Study in the Background of Vatican I. Washington, D.C.: Catholic University of America Press, 2005.

Costigan, Richard F. The Consensus of the Church and Papal Infallibility: A Study in the Background of Vatican I. Catholic University of America Press, 2005.