Columbia subject headings:
Apologetics--History--20th century.
Bible. Epistles of Paul--Criticism, interpretation, etc.
Paul, the Apostle, Saint.
Reformed Church--Apologetic works.
Harvard subject headings:
Apologetics.
Bible. Epistles of Paul--Criticism, interpretation, etc.
Paul, the Apostle, Saint
Reformed Church--Apologetic works.
Princeton subject headings: