Columbia subject headings:
Harvard subject headings:
Burgenland (Austria)--Emigration and immigration.
Foreign workers--Austria--Burgenland.
Foreign workers--Germany.
Germany--Emigration and immigration.
Labor market--Austria--Burgenland.
Labor market--Germany.
Social integration--Austria--Burgenland.
Social integration--Germany.
Princeton subject headings:
Burgenland (Austria)--Emigration and immigration.
Foreign workers--Austria--Burgenland.
Foreign workers--Germany.
Germany--Emigration and immigration.
Labor market--Austria--Burgenland.
Labor market--Germany.
Social integration--Austria--Burgenland.
Social integration--Germany.