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2. 2. Al-Eisa, A. (1997). U.S. Saudi Relations: Interdependence Revisited. Unpublished PhD thesis, Durham University. http://etheses.dur.ac.uk/1000/
3. 3. Al-feheid, A. (1997). The Growth of US Influence over Saudi Arabia and the British Response, 1933-1953. Unpublished PhD thesis, University of Sussex. https://ethos.bl.uk/OrderDetails.do?did=115&uin=uk.bl.ethos.361296
4. Lend-Lease for Saudi Arabia;Anderson;Diplomatic History 4,1979
5. 5. Barradah, F.K. (1989). Saudi Arabia's Foreign Policy 1945 - 1984. Unpublished PhD thesis, University of Aberdeen. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241529