Columbia subject headings:
Harvard subject headings:
Germany--Social policy--19th century.
Germany--Social policy--20th century.
Public welfare--Germany--History--19th century.
Public welfare--Germany--History--20th century.
Transnationalism.
Princeton subject headings:
Germany--Social policy--19th century.
Germany--Social policy--20th century.
Public welfare--Germany--History--19th century.
Public welfare--Germany--History--20th century.
Transnationalism.