Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--Emigration and immigration--Political aspects.
Balkan Peninsula--Emigration and immigration--Social aspects.
European Union countries--Economic conditions--Regional disparities.
European Union countries--Emigration and immigration--Government policy.
Romanies--Balkan Peninsula.
Romanies--Germany--Social conditions.
Social conflict--Germany.
Social integration--Germany.
Princeton subject headings:
Emigration and immigration--Political aspects.
European Union countries--Economic conditions--Regional dispariaties.
European Union countries--Emigration and immigration--Government policy.
Romanies--Balkan Peninsula.
Social conflict--Balkan Peninsula.
Social history.