Title: Hotk'aido ch'oech'o ŭi t'an'gwang Kayanuma wa Chosŏnin kangje tongwŏn
Subjects: Coal mines and mining, History, World War, 1939-1945, Conscript labor, Korean Foreign workers, Forced labor, Service, Compulsory non-military
Places: Japan, Hokkaido
Time periods: 20th century