For an in-depth study of this topic please read “The Ecclesiological Renovation of Vatican II: An Orthodox Examination of Rome’s Ecumenical Theology Regarding Baptism and the Church” by Archpriest Peter Heers. This book may be purchased here:

Citations of Roman Catholic theologians quoted in this video:

1) Johannes Feiner – “Commentary on the Decree.” In Commentary on the Documents of Vatican II. Volume 2. London: Burns and Oates Limited, 1968.

2) Fr. Francis Sullivan – “The Significance of the Vatican II Declaration that the Church of Christ ‘Subsists in’ the Roman Catholic Church.” In René Latourelle, editor, Vatican II: Assessment and Perspectives, Twenty-five Years After (1962–1987). Volume 2. New York: Paulist Press, 1989.

3) I. Spiteri – “Ἡ Καθολική Ἐκκλησία καὶ οἱ ἄλλες χριστιανικές Ἐκκλησίες” [The Catholic Church and the other Christian Churches], Θ. Κοντίδης (ἐπιμ.), (Ὁ Καθολικισμος, Ἀθήνα 2000), 246.