Ch. 10 - "Anonymous Christians"*

*Anonymous Christianity never became mainstream in Catholic theology, and while many hold to a positive view of aspects of world religions and the possibility of their adherents of finding salvation, salvation is always through Christ.

See Dominus Iesus of 2000: https://www.vatican.va/roman_curia/congregations/cfaith/documents/rc_con_cfaith_doc_20000806_dominus-iesus_en.html

"Salvation Outside the Church? Tracing the History of the Catholic Response" by Francis A. Sullivan S.J. First Published 1992 

ISBN: 1-59244-008-8