R. M. Mauti, “Thomas A. Howard (2017). The Pope and the Professor: Pius IX, Ignaz von Döllinger, and the Quandary of the Modern Age”, EC, vol. 97, no. 381-382, pp. 878–879, Sep. 2022, Accessed: Jul. 05, 2026. [Online]. Available: https://revistas.comillas.edu/estudioseclesiasticos/article/view/17439