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  Author(s): Hughes, Frank.
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• Nile control : a statement of the necessity for further control of the Nile to complete the development of Egypt and develop a certain area in the Sudan, with particulars of the physical conditions to be considered and a programme of the engineering works involved
  Author(s): Macdonald, Murdoch
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  Author(s): Macdonald, Murdoch
• Nile control : a statement of the necessity for further control of the Nile to complete the development of Egypt and develop a certain area in the Sudan, with particulars of the physical conditions to be considered and a programme of the engineering works involved
  Author(s): Macdonald, Murdoch