Columbia subject headings:
Harvard subject headings:
Château d'If (France)--History--20th century.
Prisoners of war--France--History--20th century.
World War, 1914-1918--Personal narratives, Alsatian.
World War, 1914-1918--Personal narratives, German
World War, 1914-1918--Prisoners and prisons, French
Princeton subject headings:
Château d'If (France)--History--20th century.
Personal narratives.
Prisoners of war--France--History--20th century.
World War, 1914-1918--France--Marseille--Personal narratives.
World War, 1914-1918--France--Marseille--Prisoners and prisons.
World War, 1914-1918--Personal narratives, Alsatian.
World War, 1914-1918--Personal narratives, German.
World War, 1914-1918--Prisoners and prisons, French.