Book call no. 29th ed 2000 Congressional Budget Justification for Foreign Operations Fiscal Year 2001 . Washington, United States. Secretary of State, 2000. 725 p. Swaziland, p 320.
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Statesmen's Who's Who 2000 . East Grinstead, West Sussex, England, Bowker-Saur, 1999. International 1997 Africa and the Middle East Volume 3 . Washington, U.S. Dept of the Interior and U.S. Geological Survey, 1999. The Mineral Industry of Swaziland by George J. Coakley, p MM1.