Linglong
Issue
No. 020 (29 July, 1931)
Page: 022 (40 total)

© Courtesy of the C. V. Starr East Asian Library, Columbia University.

Article
測驗一百十二人的睡眠姿勢, Examining the sleeping position of 120 people

志勤 Zhiqin (Author), 林澤人 Lin Zeren (Editor),