1. Monthly Reports on Correspondence Inspection (January) by the Headquarter and Central Inspection Department of Kwantung Army (1940)
2. Monthly Reports on Correspondence Inspection (February) by the Headquarter and Central Inspection Department of Kwantung Army (1940)
3. Monthly Reports on Correspondence Inspection (March) by the Headquarter and Central Inspection Department of Kwantung Army (1940)
4. Monthly Reports on Correspondence Inspection (April) by the Headquarter and CenEal Inspection Department of Kwantung Army (1940)
5. Monthly Reports on Correspondence Inspection (May) by the Headquarter and Central Inspection Department of Kwantung Army (1940)
6. Monthly Reports on Correspondence Inspection (June) by the Headquarter and Central Inspection Department of Kwantung Army (1940)
7. Monthly Reports on Correspondence Inspection (July) by the Headquarter and Central Inspection Department of Kwantung Army (1940)