Chishitsu, dojō, suirigakujō yori mitaru Hokuman shitchiron
Subtitle: Shitchi jiban shijiryoku oyobi gunʼyō sharyō narabini jinba kenʼin shiken
Publisher: Mantetsu Keizai Chōsa Iinkai
Published: 1937
Place of publication: [Dairen?]
Language: jpn
Number of pages: 59
Subjects: Wetlands
Notes: Cover title.

Confidential document (stamped).

"Ho No. 1100.4; Shitchōi 1.4; Otsushibun 110; In 300."