Kengyō shijūnen
By: [Henshū Jiji Tsūshinsha shashi Hensan Iinkai].
Contributors: Jiji Tsūshinsha. Shashi Hensan Iinkai.
Publisher: Jiji Tsūshinsha
Published: 1985
Place of publication: Tōkyō
Language: jpn
Number of pages: 736
Subjects: Jiji Tsūshinsha -- History.
Other titles: Kengyō yonjūnen.; Kengyō 40-nen.
Notes: Part of illustrative matter (4 folded leaves) inserted.

In Japanese.