Columbia subject headings:
Harvard subject headings:
Railroads--China--Manchuria--History.
Railroads--Japan--Colonies--History.
Railroads--Korea--History.
Railroads--Taiwan--History.
Princeton subject headings:
Railroads--China--Manchuria--History.
Railroads--Japan--Colonies--History.
Railroads--Korea--History.
Railroads--Taiwan--History.