Columbia subject headings:
Harvard subject headings:
Alsace (France)--Politics and government--19th century.
Alsace (France)--Politics and government--20th century.
Alsace-Lorraine question.
Germany--Politics and government--1871-1918.
Princeton subject headings:
Alsace (France)--Politics and government--19th century.
Alsace (France)--Politics and government--20th century.
Alsace-Lorraine question.
Germany--Politics and government--1871-1918.