Purofinterun Daigokai Taikai hōkoku
By: [[yaku]hensha Sangyō Rōdō Chōsajo]
Contributors: Lozovskiĭ, A., 1878-1952; Heckert, Fritz
Publisher: Kibōkaku
Published: 1931
Place of publication: Tōkyō
Language: jpn
Subjects: Congresses; Red International of Labor Unions
Other titles: Purofinterun Dai 5-kai Taikai hōkoku
Work titles: Pi︠a︡tyĭ Kongress Profinterna
Notes: "MOJ 75-A 525": intended for microfilm.

At head of title of v. 1: "Rozofusukī, Hekkeruto cho" (consists chiefly of reports by Lozovskiĭ and Heckert).

LC set v. 1, copies 1 and 2, v. 2, copy 1 from Naimushō Keihokyoku censorship collection; classified as "annei" and banned; v. 2, copy 2 stamped: "Hatsubai hanpu kinshi, 7.2.9., Keishichō."