Columbia subject headings:
Nomads--Egypt--Sinai.
Nomads--Israel--Negev.
Harvard subject headings:
Bedouins--Egypt--Sinai.
Bedouins--Israel--Negev
Negev (Israel)--Social conditions.
Sinai (Egypt)--Social conditions.
Princeton subject headings:
Bedouins--Egypt--Sinai Peninsula.
Bedouins--Israel--Negev.
Negev (Israel)--Social conditions.
Sinai (Egypt)--Social conditions.