1. Agence-Europe. Doc. No. 1668, 8 December 1990; Political Reports: No. 5455, 20 March 1991; No. 5477, 22 April 1991; No. 5493, 17 May 1991; No. 5500, 29 May 1991; No. 5561, 6 September 1991; No. 5609, 151991 .
2. Basic Policy Programme of the Social Democratic Party of Germany. Adopted by the Programme Conference of the SPD, Berlin, 1989 .
3. Confederation of Socialist Parties of the EC. Strengthening the Confederation, Berlin, 1990 ;Declaration on the Inter-governmental Conferences, Madrid, 10 1990.