Columbia subject headings:
Arabian Peninsula.
Henninger, Joseph.
Middle East--Religion.
Middle East--Social life and customs.
Middle East.
Harvard subject headings:
Arabian Peninsula.
Henninger, Joseph.
Middle East--Religion.
Middle East--Social life and customs.
Middle East.
Princeton subject headings:
Arabian Peninsula.
Henninger, Joseph.
Middle East--Religion.
Middle East--Social life and customs.
Middle East.