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:
Chile--History--1824-1920.
Iquique (Chile)--History.
Massacres--Chile--Iquique--History--20th century.
Strikes and lockouts--Chile--Iquique--History--20th century.
Princeton subject headings:
Chile--History--1824-1920--Sources.
Iquique (Chile)--History--Sources.
Massacres--Chile--Iquique--History--20th century--Sources.
Strikes and lockouts--Chile--Iquique--History--20th century--Sources.