Columbia subject headings:
Youth--Political activity--Europe.
Youth--Political activity--Québec (Province)
Harvard subject headings:
Youth--Political activity--Europe
Youth--Political activity--Europe.
Youth--Political activity--Québec (Province)
Youth--Québec (Province)--Political activity.
Princeton subject headings:
Political participation.
Youth--Political activity--Europe.
Youth--Political activity--United States.
Youth--Political activity.