Puroretaria kaikyū to sono jidō
By: Edouin Herunre cho
Series: PIP panfuretto -- no. 1
Publisher: Puroretaria Kyōikugaku Kenkyūjo
Published: 1930
Place of publication: Tōkyō
Language: jpn
Number of pages: 28
Subjects: History; Working class; Working class families; Children
Other titles: Proletaria KLaso kaj iliaj Infanoj
Notes: Cover title.

"MOJ 75-A 309": intended for microfilm.

Selected translation from a German work.