Columbia subject headings:
Apostles' Creed--History and criticism.
Interpretation of the Apostles' Creed.
Luther, Martin, 1483-1546.
Harvard subject headings:
Luther, Martin, 1483-1546--Views on the Trinity.
Theology, Doctrinal.
Trinity.
Princeton subject headings:
Apostles' Creed.
Holy Spirit--History of doctrines--16th century.
Luther, Martin, 1483-1546.
Luther, Martin, 1483-1546. Grosse Katechismus--Criticism and interpretation.