Gurūpu katsudō no tebiki
Subtitle: Nikkyō shunōbu tsuihō jiken to Shakaitō no taido, rōdō kumiainai ni okeru Shakaitō-in no katsudō
By: [henshū Mitamura Shirō]
Series: Minrō shirīzu -- dai 6-shū
Publisher: Minshu Rōdōsha Kyōkai
Published: 1950
Place of publication: Tōkyō
Language: jpn
Number of pages: 64