Confederation of states.

Vom Staatenbund zum Bundesstaat?die Europäische Union im Vergleich mit den USA, Deutschland und der Schweiz by: (Language materials, printed)

Uniting States[electronic resource] :voluntary union in world politics / by: (Language materials, printed)

European Union.

Federal government.

European Union countries

European federation.

Comparative government.

Confederation of states.

Regionalism

Federal government.

Constitutional history

European federation.

Latin American federation.

Confederation of states.