Saikin Shanhai rōdō undō no kaibō
Subtitle: shinsetsusareta Shiseifu Shakaikyoku no gaikan
By: Shanhai Kōshinjo chōsa.
Contributors: Shang-hai hsing hsin so.
Publisher: [Shanhai Kōshinjo]
Published: 1928
Place of publication: Shanhai
Language: jpn
Number of pages: 23
Subjects: Labor unions -- China -- Shanghai; Industrial relations -- China -- Shanghai
Notes: Confidential document (stamped).