943- The Integration of the State Insurance into the Economic System of The German Democratic Republic.

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

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

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

571- Economic Policy and Planning in the Hungarian `s People Republic / / السياسة الاقتصادية والتخطيط في جمهورية المجر الشعبية

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

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

1241- Economic Integration among Socialist Countries

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

495- Basic Principles of the New Economic System of Planning and Managing of National Economy in Socialist Countries