> Multivolume work
-
4:
Documents on the history of European integration 4 Transnational organizations of political parties and pressure groups in the Struggle for European Union, 1945 - 1950 (including 129 documents in their original languages on 3 microfiches) ed. by Walter Lipgens and Wilfried Loth
Berlin: de Gruyter, 1991
-
3:
Documents on the history of European integration 3 The struggle for European Union by political parties and pressure groups in Western European countries 1945-1950 (including 252 documentsin their original languages on 6 microfiches) ed. by Walter Lipgens and Wilfried Loth
Berlin: de Gruyter, 1988