De guo wen xue shi/ De guo wen xue shi = E guo wen xue shi / Ying guo wen xue shi/ Zhong guo wen xue shi/ Bai hua wen xue shi/ Ou zhou wen xue shi/ Zhong guo wen xue shi. Wai guo wen xue shi/. 4. Shi jie wen xue shi/