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

Article
草酸之效用, The utility of oxalic acid

吳季華 Wu Jihua (mentioned in article), 邗上閒鷗 Han shang xian ou (Author),

Article
毒物咬傷救治法, How to treat poisonous bites

德 De (Author),