Jiao yu lun heng/. Xia ce. Jiao yu lun cong/. Di er ji. Jiao yu yu wen hua/. Xia ce. Mao zhi wu ran zheng/. Xia ce. Huo bi yin xing/. Xia ce. Jiao yu gai lun/. Shang ce. Jing shu mao fang/. Xia ce. Li lun yu lin xue/. Xia ce. Jin shu jia gong/. Xia ce. Tian wen xue jiao cheng/. Xia ce.