Columbia subject headings:
Harvard subject headings:
Authenticity (Philosophy)--Congresses.
History--Congresses
History--Sources--Congresses.
Political science--Congresses
Social history--Political aspects--Congresses.
Princeton subject headings:
Authenticity (Philosophy)--Congresses.
History--Congresses.
History--Sources--Congresses.
Political science--Congresses.
Social history--Political aspects--Congresses.