登入選單
返回Google圖書搜尋
A Pictorial Primary Arithmetic
George Augustus Walton
其他書名
On the Plan of Object-lessons
出版Brewer and Tileston, 1867
URLhttp://books.google.com.hk/books?id=5h8AAAAAMAAJ&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN