Columbia subject headings:
Cabinet system--History--Congresses.
Democracy--Congresses.
Political science--Congresses.
Representative government and representation--History--Congresses.
Harvard subject headings:
Cabinet system--History--Congresses.
Democracy--Congresses
Political science--Congresses
Representative government and representation--History--Congresses.
Princeton subject headings:
Cabinet system--History--Congresses.
Democracy--Congresses.
Political science--Congresses.
Representative government and representation--History--Congresses.