Tōkyō-to shōkibo jigyōsho rōdō jōken tō jittai chōsa
Subtitle: Shōwa 46-nen
By: [henshū Rōdōkyoku Rōdō Kōseibu Rōdō Kumiaika]
Publisher: Tōkyō-to Rōdōkyoku
Published: 1972
Place of publication: Tōkyō
Language: jpn
Number of pages: 66
Notes: Cover title.