Sách

• Fuller, Richard (1992). Shokan: Hirohito's Samurai. London: Arms and Armor. ISBN 1854091514. 
• Shillony, Ben Ami (1981). Politics and Culture in Wartime Japan. Oxford University Press. ISBN 0198202601. 

• Yamamoto, Masahiro (2000). Nanking: Anatomy of an Atrocity. London: Greenwood Publishing Company. ISBN 0275969045. 

Web

• Ammenthorp, Steen. “Shimomura Sadamu”. The Generals of World War II. 
• Budge, Kent. “Shimomura Sadamu”. Pacific War Online Encyclopedia. 
• Wendel, Marcus. “Army Ministers of State”. Axis History Factbook.