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- “Hejaz,” in Encyclopædia Britannica, (11th ed.), 1911
- “Saudi Arabia” in The World Factbook by the CIA, 1982.
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- “Saudi Arabia” in The World Factbook by the CIA, 2004.
- Medina Charter
- Basic Law of Saudi Arabia
- Saudi Arabia supports the Communists in Yemen, 1994 by Author:Osama bin Laden
- China Saudi Arabia Communique Establishing Diplomatic Relations