Vol. I: Revelation, scripture, tradition and teaching authority -- The Lord and the preaching of the Apostles -- Revelation-in-reality and revelation-in-word -- The development of the apostolic faith into the dogma of the Church -- What is theology? -- The Bible and theology -- The place of the Church Fathers in theology -- The Creed and theology -- The liturgy and theology -- Scholasticism and theology. Vol. II: The concept of truth -- The non-conceptual intellectual element in the act of faith: a reaction -- Salvation history as the basis of theology: theologia or oikonomia? -- The new trends in present-day dogmatic theology -- Appendix: the non-conceptual intellectual dimension in our knowledge of God according to Aquinas.