books.google.com.hk - From the ninth century on, there was an indigenous Jewish community in the city of Kaifeng in northeastern China. Separated by thousands of miles from the rest of the world, and largely cut off from contact with the main centers of Jewish life, the Kaifeng Jews developed a distinctive culture that was...http://books.google.com.hk/books/about/The_Jews_of_Kaifeng_China.html?hl=zh-TW&id=GAAWkYBNu5sC&utm_source=gb-gplus-shareThe Jews of Kaifeng, China