Columbia subject headings:
Harvard subject headings:
Coal miners--China--Manchuria.
Coal miners--Japan.
Coal mines and mining--China--Manchuria.
Coal mines and mining--Japan
Princeton subject headings:
Coal miners--Training of--China--Fu-shun shih--History.
Coal mines and mining--China--Fu-shun shih--Technological innovations--History.
Coal trade--China--Fu-shun shih--Technological innovations--History.
Fushun (Liaoning Sheng, China)--History.
Technical assistance, Japanese--China--Manchuria--History.