Pengarang: Walter Lipgens

Walter Lipgens & Wilfried Loth: The Struggle for European Union by Political Parties and Pressure Groups in Western European Countries 1945–1950

Walter Lipgens & Wilfried Loth: Continental Plans for European Union 1939–1945

Walter Lipgens & Wilfried Loth: Plans for European Union in Great Britain and in Exile 1939–1945

Walter Lipgens & Wilfried Loth: Transnational Organizations of Political Parties and Pressure Groups in the Struggle for European Union, 1945–1950