Columbia subject headings:
Harvard subject headings:
Basalt industry--Germany--Kaufunger Forest--History.
Basalt--Germany--Kaufunger Forest--History--19th century.
Basalt--Germany--Kaufunger Forest--History--20th century.
Basalt--Germany--Kaufunger Forest--History--Chronology.
Basalt--Germany--Kaufunger Forest--Pictorial works.
Locomotive industry--Germany--Kaufunger Forest--History.
Mineral industries--Germany--Kaufunger Forest--History.
Mines and mineral resources--Germany--Kaufunger Forest--History.
Princeton subject headings:
Basalt industry--Germany--Kaufunger Forest--History.
Basalt--Germany--Kaufunger Forest--History--19th century.
Basalt--Germany--Kaufunger Forest--History--20th century.
Basalt--Germany--Kaufunger Forest--History--Chronology.
Basalt--Germany--Kaufunger Forest--Pictorial works.
Locomotive industry--Germany--Kaufunger Forest--History.
Mineral industries--Germany--Kaufunger Forest--History.
Mines and mineral resources--Germany--Kaufunger Forest--History.