Columbia subject headings:
Harvard subject headings:
Civilization--Philosophy--Congresses
Criticism, Textual--Congresses.
Culture--Research--Congresses.
History--Philosophy--Congresses
Literature and history--Congresses.
Written communication--History--Congresses.
Princeton subject headings:
Civilization--Philosophy--Congresses.
Criticism, Textual--Congresses.
Culture--Research--Congresses.
History--Philosophy--Congresses.
Literature and history--Congresses.
Written communication--History--Congresses.