Columbia subject headings:
Germany--History--1789-1900.
Germany--History--18th century.
Germany--History--20th century.
Germany--Social conditions.
Germany--Social life and customs.
Harvard subject headings:
Germany--Civilization.
Germany--Economic conditions.
Germany--Social conditions--18th century.
Germany--Social conditions--19th century.
Germany--Social conditions--20th century.
Germany--Social conditions.
Social structure--Germany--History--18th century.
Social structure--Germany--History.
Princeton subject headings:
Germany--Civilization.
Germany--Economic conditions.
Germany--History--1789-1900.
Germany--History--18th century.
Germany--History--20th century.
Germany--Social conditions--18th century.
Germany--Social conditions.
Germany--Social life and customs.
Social structure--Germany--History--18th century.