Columbia subject headings:
Colonization--History.
France--Colonies--History--19th century.
France--Colonies--History--20th century.
Harvard subject headings:
Colonization--History.
France--Colonies--History--19th century.
France--Colonies--History--20th century.
Princeton subject headings:
Colonization--History.
France--Colonies--History--19th century.
France--Colonies--History--20th century.