Columbia subject headings:
Harvard subject headings:
Coast defenses--France--History--20th century.
France--History, Naval--20th century.
France--Military policy--History--20th century.
France. Marine--History--20th century.
Mediterranean Region--History, Military--20th century.
Navy-yards and naval stations--Mediterranean Region--History--20th century.
Princeton subject headings:
France--History, Naval--20th century.
France. Marine--History--20th century.
Navy-yards and naval stations, French--Mediterranean Region--History--20th century.
World War, 1914-1918--Naval operations.