Columbia subject headings:
Bahrain--History.
Bahrain--Kings and rulers--Biography.
Muḥammad ibn Khalīfah, Ruler of Bahrain, 1813-1890.
Harvard subject headings:
Bahrain--History.
Bahrain--Kings and rulers--Biography.
Muḥammad ibn Khalīfah, 1813-1890.
Princeton subject headings:
Bahrain--History.
Bahrain--Kings and rulers--Biography.
Muḥammad ibn Khalīfah, Ruler of Bahrain, 1813-1890.