Columbia subject headings:
Constituent power--Congresses.
Constitutional law--Congresses.
Harvard subject headings:
Constituent power--Andes Region--Congresses.
Constituent power--Congresses.
Constituent power--European Union countries--Congresses.
Europe--Politics and government--21st century--Congresses.
European Union countries--Politics and government--21st century--Congresses.
Latin America--Politics and government--21st century--Congresses.
Supranationalism--Congresses.
Princeton subject headings: