Columbia subject headings:
Euphrates River Valley--Rural conditions.
Euphrates River Valley--Social life and customs.
Syria--Rural conditions.
Syria--Social life and customs.
Harvard subject headings:
Euphrates River Valley--Rural conditions.
Euphrates River Valley--Social life and customs.
Nomads--Sedentarization--Euphrates River Valley.
Nomads--Sedentarization--Syria.
Shepherds--Euphrates River Valley--Social life and customs.
Shepherds--Syria--Social life and customs.
Syria--Rural conditions.
Syria--Social life and customs.
Princeton subject headings:
Herders--Syria--Euphrates River Valley--Social life and customs.
Land use--Syria--Euphrates River Valley.
Nomads--Syria--Euphrates River Valley--Sedentarization.