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Der Gottesstaat des Esad Bey: Eine Muḥammad-Biographie aus der Sicht eines jüdischen Konvertiten zum Islam unter besonderer Berücksichtigung der Dimension des Politischen
Economics of the Resource-Exporting Country: Intertemporal Theory of Supply and Trade. Contemporary Studies in Economic and Financial Analysis, Vol. 50
Sumerian Epic of Paradise, the Flood and the Fall of Man.(University of Pennsylvania, The university Museum, Publications of the Babylonian Section, Vol. X, No. 1)