Columbia subject headings:
Bible. Epistles--Criticism, interpretation, etc.--Congresses.
Bible. New Testament--Criticism, interpretation, etc.
Christian literature, Early--History and criticism--Congresses.
Christian literature, Early--History and criticism.
Letter writing--Congresses.
Letter writing.
Letters--Congresses.
Letters.
Harvard subject headings:
Bible. New Testament--Criticism, interpretation, etc.
Christian literature, Early--History and criticism.
Letter writing.
Letters
Princeton subject headings: