Columbia subject headings:
Alsace-Lorraine question.
Barrès, Maurice, 1862-1923.
Comparative literature--French and German.
Comparative literature--German and French.
Rhine Province (Germany)--Nationality.
Harvard subject headings:
Alsace-Lorraine question.
Barrès, Maurice, 1862-1923
Comparative literature--French and German.
Comparative literature--German and French.
Rhine Province (Germany)--Nationality.
Princeton subject headings:
Alsace-Lorraine question.
Barrès, Maurice, 1862-1923.
Comparative literature--French and German.
Comparative literature--German and French.
Rhine Province (Germany)--History.