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Head of state - Wikipedia
List of current heads of state and government - Wikipedia
Head of state | Role, Powers & Responsibilities | Britannica
President of the United States - Wikipedia
List of current heads of state and government - Simple English ...
Head of state - Simple English Wikipedia, the free encyclopedia
Head of State (2003) - IMDb
Head of state - Oxford Reference
Head of State (2003 film) - Wikipedia
Head of government - Wikipedia