1083- The Development of Economic Policy in the in the German Democratic Republic

538- Stat Budget in Socialist Society and its Function in Planning and Managing the National Economy (on GDR`Example)

1131- Price Planning in Socialism (bases and possibilities - its Preparation, Implementation and Organization at the case of the German Democratic Republic)

952 "The Financial System of the G.D.R."/النظام المالى في جمهورية ألمانيا الديمقراطية

761- Credit Planning and State Supervision Function of Banks in the GDR .

813-Financing of Nationally-owned Industries in the GDR/تمويل الصناعات المملوكة وطنياً في جمهورية ألمانيا الديمقراطية

1241- Economic Integration among Socialist Countries

753-The unified System Accounting in Czechoslovakia

927- Problems of Long-term Planning in the German Democratic Republic / مشاكل التخطيط الطويل الاجل في جمهورية ألمانيا الديمقراطية

1138- حول الخطة الخمسية 1976/1980 لجمهورية ألمانيا الديمقراطية