Columbia subject headings:
Disappeared persons--Mexico--Guerrero (State)
Escuela Normal Rural de Ayotzinapa.
Guerrero (Mexico : State)--Politics and government--21st century.
Rural schools--Mexico--Guerrero (State)
State-sponsored terrorism--Mexico--Guerrero (State)
Students--Political activity--Mexico--Guerrero (State)
Victims of state-sponsored terrorism--Mexico--Guerrero (State)
Harvard subject headings:
Disappeared persons--Mexico--Guerrero (State)
Escuela Normal Rural de Ayotzinapa--Students--Crimes against.
Guerrero (Mexico : State)--Politics and government--21st century.
Rural schools--Mexico--Guerrero (State)
State-sponsored terrorism--Mexico--Guerrero (State)
Students--Crimes against--Mexico--Guerrero (State)
Students--Political activity--Mexico--Guerrero (State)
Victims of state-sponsored terrorism--Mexico--Guerrero (State)
Princeton subject headings:
Disappeared persons--Mexico--Guerrero (State).
Escuela Normal Rural de Ayotzinapa.
Guerrero (Mexico : State)--Politics and government--21st century.
Rural schools--Mexico--Guerrero (State).
State-sponsored terrorism--Mexico--Guerrero (State).
Students--Political activity--Mexico--Guerrero (State).
Victims of state-sponsored terrorism--Mexico--Guerrero (State).