Shirachōgai gyojō chōsa hōkoku
Contributors: Nanʼyōchō Suisan Shikenjō; Nanʼyōchō Collection
Publisher: Nanʼyōchō Suisan Shikenjō
Published: 1938
Place of publication: [Parao shotō, Korōrutō]
Language: jpn
Number of pages: 23
Notes: Cover title.

Cover title.

Report written by Shiraishi Yoshiaki and Kobayashi Tadasu.