(1929). Report on progress in manchuria 1907-1928. Dairen: South Manchuria Railway.
Dyfyniad Arddull ChicagoReport On Progress in Manchuria 1907-1928. Dairen: South Manchuria Railway, 1929.
Dyfyniad MLAReport On Progress in Manchuria 1907-1928. Dairen: South Manchuria Railway, 1929.
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