Columbia subject headings:
Harvard subject headings:
Fisheries--Germany--Mecklenburg-Vorpommern--History--20th century.
Mecklenburg-Vorpommern (Germany)--Economic conditions--20th century.
Princeton subject headings:
Fisheries--Germany--Mecklenburg-Vorpommern--History--20th century.
Mecklenburg-Vorpommern (Germany)--Economic conditions--20th century.