A Topic of Moral Theology

Disparity of worship (Can. 1070)

Marriage of the baptized Catholic with the unbaptized null; doubtful baptism; its history and scope.

Also asked about as…

marrying a hindu or buddhist · marrying a jew or muslim (ed.)

In the index as Matrimony · Disparity of cult · Heretic · Baptism · Betrothed parties · Minors · Neoconverts · Cautions · Difference of religion · Disparity of worship · Impediments · Inquiry · Ovariotomy · Safeguard · Worship of God

In the manuals

A Manual of Moral Theology for English-Speaking Countries

Vol. II, Bk. IX, Ch. X, Art. X, Section II. Difference of Religion, nn. 1, 2, 3 & 4 (4 passages — hover a number to read it)

Moral Enchiridion, Comprising Select Decrees and Definitions of the Holy See, of Ecumenical Councils and of the Sacred Roman Congregations (Enchiridion Morale), Fourth Edition

Bucceroni, Moral Enchiridion (4th ed., 1905), On Matrimony, n. 1016 (3 passages — hover a number to read it)

Manuale Theologiae Moralis

Vol. III, Pt. II, Tr. X, Ch. IX, Art. III, § 4. Disparity of Worship, nn. 806, 807, 808, 809 & 810 (5 passages — hover a number to read it)

Summa Theologiae Moralis

Vol. III, Special Moral Theology: On…, Treatise: On Matrimony, Third Part: On the Impedim…, Question Three: On Dirimen…, Article IV: On Disparity of Worship, nn. ¶1, 885, 886, 887 & 888 (36 passages — hover a number to read it)

On the Morals of To-Day

Chapter VI: The New Code and the “impedimentum Disparitatis Cultus.”, nn. ¶154–¶177 (24 passages)

Treated under the broader heading Disparity of Worship (marriage with the unbaptized) — Noldin, Summa of Moral Theology · Wouters, Manual of Moral Theology · Bucceroni, Cases of Conscience · Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884) · Merkelbach, Pastoral Questions · Concina, Compendium · Decretum of Gratian — these works do not divide the matter as finely as we do here, so their treatment stands one heading up (ed.)