Columbia subject headings:
Harvard subject headings:
Catholic Church--Doctrines.
Marriage--Religious aspects--Catholic Church
Theological anthropology--Christianity
Princeton subject headings:
Catholic Church--Doctrines.
Families--Religious aspects--Catholic Church.
God--Love.
Love--Religious aspects--Catholic Church.
Love--Religious aspects--Christianity.
Man-woman relationships--Religious aspects--Catholic Church.
Marriage--Religious aspects--Catholic Church.
Theological anthropology.
Trinity.