Columbia subject headings:
Harvard subject headings:
Islamic civilization--History.
Oman--History.
Ṣuḥār (Oman)--Civilization.
Ṣuḥār (Oman)--History.
Princeton subject headings:
Islamic civilization--History.
Oman--History.
Ṣuḥār (Oman)--Civilization.
Ṣuḥār (Oman)--History.