Columbia subject headings:
Arica (Chile : Department)
Tacna (Chile : Province)
Tacna-Arica question.
Harvard subject headings:
Arica (Chile : Department)
Tacna (Chile : Province)
Tacna (Peru : Department)
Tacna-Arica question.
Princeton subject headings:
Arica (Chile : Department)
Tacna (Chile : Province)
Tacna-Arica question.