Article
俄羅斯鄉鄙之乘法 - Multiplication methods developed in the countryside of Russia
Subject matters: 新知 - new knowledge,
Language level: Wenyan
Persons:
礫广 Li Guang (Author)
Article
兒童玩具淺釋 - Children's toys explained
Subject matters: 新知 - new knowledge,
Language level: Wenyan
Persons:
凌蕊珠 Ling Ruizhu (Author)