Columbia subject headings:
Morocco--History--19th century.
Morocco--History--20th century.
Harvard subject headings:
Casablanca Massacre, 1907.
Morocco--History--19th century.
Morocco--History--20th century.
Shawiya (Berber people)--History.
Princeton subject headings:
Casablanca Massacre, 1907.
Morocco--History--19th century.
Morocco--History--20th century.
Shawiya (Berber people)--History.