The European Union is a union of 28 member states. Its legal materials are readily available on its website, Lexis, and Westlaw:
The Council of Europe is an international organization consisting of 47 member states. It is larger and less closely knit then the European Union. All European Union states are members of the Council of Europe but many Council of Europe states are not members of the EU.
Its materials are available at:
Its best known body is the: