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

Article
娠孕期的推算法, The estimation of the pregnancy

Keywords: childbirth, childrearing, contraception, menstruation; period,

Article
這時候應給你的兒女種痘了, It is time for your children to get inoculated against smallpox.

Keywords: health, children, disease,