Columbia subject headings:
Bedouins.
Saudi Arabia--Social life and customs.
Tribe and tribal system--Saudi Arabia.
ʻUnayzah region (Saudi Arabia)
Harvard subject headings:
Arabs--Genealogy
Bedouins--Saudi Arabia.
Saudi Arabia--Genealogy.
Saudi Arabia--Social life and customs.
Tribes--Saudi Arabia.
Wāʾil (Arab tribe)
Princeton subject headings:
Bedouins.
Saudi Arabia--Genealogy.
Saudi Arabia--Social life and customs.
Tribes--Saudi Arabia.
ʻUnayzah (Saudi Arabia)