Jōji shiyō rōdōsha gohyakunin ijō o yūsuru kōjō kōzan tō shirabe
Subtitle: Shōwa 6-nen 12-gatsu matsujitsu genzai
Publisher: Shakaikyoku Rōdōbu
Published: 1932
Place of publication: [Tokyo]
Language: jpn
Number of pages: 66
Other titles: Kōjō kōzan tō shirabe
Notes: Cover title.

Issued as confidential document.