Tianyu FengBooksDong Ya Tong wen shu yuan Zhongguo diao cha zi liao xuan yiCultural History of the Chinese Concepts Fengjian (Feudalism) and Jingji (Economy)Wen hua shou wangZhongguo wen hua jin dai zhuan xing de nei yin yu wai liMing Qing wen hua shi zha jiAuthor data: Open Library