Columbia subject headings:
Bible--Criticism, interpretation, etc.--History--Early church, ca. 30-600.
Christian literature, Early--History and criticism.
Spirituality--Christianity--History--Early church, ca. 30-600.
Harvard subject headings:
Bible--Criticism, interpretation, etc.--History--Early church, approximately 30-600.
Christian literature, Early--History and criticism.
Spirituality--Christianity--History--Early church, ca. 30-600
Spirituality--Christianity--History--Early church, ca. 30-600.
Princeton subject headings: