Columbia subject headings:
Chile--History--1824-1920.
Iquique (Chile)--History.
Massacres--Chile--Iquique--History--20th century.
Strikes and lockouts--Chile--Iquique--History--20th century.
Harvard subject headings:
Princeton subject headings:
Escuela Santa María (Iquique, Chile)--History.
Historiography--Chile.
Iquique (Chile)--History.
Massacres--Chile--Iquique--History--20th century.
Saltpeter industry--Chile--Iquique--Employees--History--20th century.
Strikes and lockouts--Saltpeter industry--Chile--Iquique--History--20th century.