Columbia subject headings:
Beer industry--Germany--Dortmund--History--20th century.
Breweries--Germany--Dortmund--History--20th century.
Brewing industry--Germany--Dortmund--History--20th century.
Dortmund (Germany)--History--20th century.
Harvard subject headings:
Beer industry--Germany--Dortmund--History--20th century.
Breweries--Germany--Dortmund--History--20th century.
Brewing industry--Germany--Dortmund--History--20th century.
Dortmund (Germany)--History--20th century.
Princeton subject headings:
Beer industry--Germany--Dortmund--History--20th century.
Breweries--Germany--Dortmund--History--20th century.
Brewing industry--Germany--Dortmund--History--20th century.
Dortmund (Germany)--History--20th century.