Columbia subject headings:
History--Congresses--History.
History--Societies, etc.--History.
International Committee of Historical Sciences--History.
International Congress of Historical Sciences--History.
Harvard subject headings:
International Committee of Historical Sciences--History.
International Congress of Historical Sciences--History.
Princeton subject headings:
History--Congresses--History.
History--Societies, etc.--History.
International Committee of Historical Sciences--History.
International Congress of Historical Sciences--History.