三井グループ関係企業総覽
Subtitle: heisai Ōji, Tōshiba, Toyota gurūpu
Series: Sangyō dōkō shiryō -- 15
Publisher: Sangyō Dōkō Chōsakai
Published: 1977
Place of publication: Tōkyō
Language: jpn
Number of pages: 445
Subjects: Directories; Conglomerate corporations; Mitsui Group
Other titles: Mitsui gurūpu kankei kigyō sōran
Notes: Cover title.