Columbia subject headings:
Disappeared persons--Mexico--Guerrero (State)
Disappeared persons--Mexico--History.
Escuela Normal Rural de Ayotzinapa--Students--Crimes against.
Violence--Mexico--History.
Harvard subject headings:
Disappeared persons--Mexico--Guerrero (State)
Disappeared persons--Mexico--History.
Escuela Normal Rural de Ayotzinapa--Students--Crimes against.
Violence--Mexico--History.
Princeton subject headings:
College students--Crimes against--Mexico--Iguala de la Independencia.
Disappeared persons--Mexico--Guerrero (State).
Victims of state-sponsored terrorism--Mexico--Guerrero (State).
Violence--Mexico.