Columbia subject headings:
Harvard subject headings:
Internal security--Korea--Kyŏngsang-namdo.
Korean resistance movements, 1905-1945.
Police--Korea--Kyŏngsang-namdo.
Princeton subject headings:
Internal security--Korea--Kyŏngsang-namdo.
Korean resistance movements, 1905-1945.
Police--Korea--Kyŏngsang-namdo.