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Trucial States - Wikipedia
What Are the Trucial States? - WorldAtlas
United Arab Emirates summary | Britannica
Trucial States - Wikiwand
Perpetual Maritime Truce - Wikipedia
United Arab Emirates - Gulf, Sheikhdoms, Federation | Britannica
The British Role in the Development of the Trucial States before …
The Trucial States, Iran, and the British (Chapter 5) - The Origins …
The Trucial States in 1919: Rule by Tradition | SpringerLink