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

Article
人們的統計, Statistics of people

林澤人 Lin Zeren (Editor), 王德英 Wang Deying (Author),

Keywords: Germany,

Article
關於手的種種, Various tips about hands

林澤人 Lin Zeren (Editor), 蔣國偉 Jiang Guowei (Author),