Columbia subject headings:
Europe--Emigration and immigration.
Labor supply--Europe.
Labor supply--Sweden.
Labor supply--Turkey.
Sweden--Emigration and immigration.
Turkey--Emigration and immigration.
Harvard subject headings:
Europe--Emigration and immigration.
Labor supply--Europe.
Labor supply--Sweden.
Labor supply--Turkey.
Sweden--Emigration and immigration.
Turkey--Emigration and immigration.
Princeton subject headings:
Europe--Emigration and immigration.
Labor supply--Europe.
Labor supply--Sweden.
Labor supply--Turkey.
Sweden--Emigration and immigration.
Turkey--Emigration and immigration.