Papers relating to the Economic and Monetary Union, the Maastricht Treaty [Treaty on European Union], the common Agricultural Policy, GATT [General Agreement on Tarrifs and Trade], and Britain's membership of the European Economic Community.

Includes press cuttings and articles, correspondence, notes, copies of and extracts from Hansard, papers of the Campaign for an Independent Britain and the Labour Common Market Safeguards Committee, transscript of a statement by Neil Kinnock at a meeting of the leaders of the Socialist Parties of the European Community, transcript of House of Lords oral judgement for R. (Factortame Ltd) v. Secretary of State for Transport, and report of the Foreign Affairs Committee on the Single European Act.

Also includes copies of booklets relating to the 1975 United Kingdom European Communities membership referendum.