Baron Friedrich von Hügel's philosophy of religion / by James J. Kelly. - Kelly, James J. (OLS)http://pul/name/2524 (Leuven University Press, 1983)
Bibliografia: p. 13-38.

Assonanze e dissonanze: dal diario di Edith Stein / Angela Ales Bello. - Ales Bello, Angela, 1939- (OLS)http://pul/name/22845 (Mimesis, 2021)
Bibliografia in nota.