Columbia subject headings:
Charlie Hebdo Attack, Paris, France, 2015.
France--History--21st century.
Terrorism--France--Paris--History--21st century.
Harvard subject headings:
Charlie Hebdo Attack, Paris, France, 2015.
Princeton subject headings:
Charlie Hebdo Attack, Paris, France, 2015.
France--History--21st century.
Terrorism--France--Paris--History--21st century.