Columbia subject headings:
Confederation of states--Congresses.
Confederation of states--Europe--Congresses.
Federal government--Congresses.
Harvard subject headings:
Confederation of states--Congresses.
Confederation of states--Europe--Congresses.
Confederation of states--History--Congresses.
Federal government--Europe--Congresses
Princeton subject headings:
Confederation of states--Congresses.
European federation--Congresses.