Columbia subject headings:
Harvard subject headings:
Bund Deutscher Zimmermeister.
Carpenters--Germany--Societies, etc.--History.
Princeton subject headings:
Architecture--Germany--History--20th century.
Building, Wooden--Germany--History--20th century.
Bund Deutscher Zimmermeister--History.
Carpenters--Labor unions--Germany--History--20th century.