Kōjō kōzan no sangyō oyobi chingin keitaibetsu rōdōshasū tōkeihyō
Subtitle: Shōwa 14-nen 10-gatsu 10-nichi Dai rokkai rōdō tōkei jitchi chōsa no kekka ni yoru mono
Publisher: Naikaku Tōkeikyoku
Published: 1940
Place of publication: [Tokyo]
Language: jpn
Notes: Cover title.

"Gokuhi" (confidential document) stamped.