1 9 nian shan dong sheng kao shen lun wen zhang
1 9 nian shang ban nian gao xiang lun wen
1 9 nian shang gao xiang lun wen kao ti
1 9 nian shen zuo bei a ti you xiu lun wen
1 9 nian shen zuo bei shu xue jian mo lun wen
1 9 nian shen ji an li shi bai lun wen
1 9 nian sheng wu zhuan ye lun wen ying wen ban