住友の歴史と事業
By: Mitsubishi Keizai Kenkyūjo
Publisher: [s.n.]
Published: 1955
Place of publication: [s.l.]
Language: jpn
Number of pages: 146
Other titles: Sumitomo no rekishi to jigyō
Notes: "Mitsui-Mitsubishi-Sumitomo, present status of the former Zaibatsu enterprises"(Mitsubishi Keizai Kenkyūjo Shōwa 30-nenkan) no Sumitomo ni kansuru bubun no wayaku genkō ni shūsei.