Emio Matsushima

• Hokusen kōgyō shisatsu hōkoku
• Hokusen kōgyō gaiyō
• Manshū bōsekigyō ritchi jōken chōsa hōkoku
• Nihon bōsekigyō ritchi jōken chōsa hōkoku
• Shōwa 12-nen Nichi-Man-Shi engyō tōkei