Columbia subject headings:
Agricultural development projects--Jordan.
Jordan--Economic conditions.
Jordan--Emigration and immigration.
Labor supply--Jordan.
Migrant agricultural laborers--Jordan.
Harvard subject headings:
Agricultural development projects--Jordan.
Jordan--Economic conditions.
Jordan--Emigration and immigration.
Labor supply--Jordan.
Migrant agricultural laborers--Jordan.
Princeton subject headings:
Agricultural development projects--Jordan River Valley.
Agriculture--Economic aspects--Jordan River Valley.
Jordan River Valley--Economic conditions.
Migrant agricultural laborers--Jordan River Valley.