Columbia subject headings:
Alsace (France)
Alsace-Lorraine question.
France--Foreign relations--Germany.
Germany--Foreign relations--France.
Lorraine (France)
Harvard subject headings:
Alsace (France)
Alsace-Lorraine question.
France--Foreign relations--Germany.
Germany--Foreign relations--France.
Lorraine (France)
Princeton subject headings:
Alsace-Lorraine question.
Alsace-Lorraine.
France--Foreign relations--Germany.
Germany--Foreign relations--France.