Columbia subject headings:
Harvard subject headings:
Germany (West)--Emigration and immigration--History.
Immigrants--Germany (West)--History.
Mecklenburg-Vorpommern (Germany)--Emigration and immigration--History.
Princeton subject headings:
Refugees--Germany--Mecklenburg-Vorpommern--History--Congresses.
Social integration--Germany--Mecklenburg-Vorpommern--History--Congresses.