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

Article
四種壞洋鈿, Four kinds of bad coins

飛 Fei (Author),

Keywords: money, general knowledge, shopping, practical instruction , experience,

Article
油/鹽/醬/醋, Oil - Salt - Sauce - Vinegar

德遠 De yuan (Author),

Keywords: health, nutrition, general knowledge, science, food and drink,