Encyclopedia of World Literature：in three volumes．1，A-F Encyclopedia of World Literature：in three volumes．2，G-N Encyclopedia of World Literature：in the 20th Century．3，O-Z Encyclopedia of World literature in the 20th Centuery:index Encyclopedia of World literature in the 20th Centuery:volume 3:L to Q Encyclopedia of World literature in the 20th Centuery:Volume1:AtoD Encyclopedia of World literature in the 20th Centuery:Volume 2:E to K Encyclopedia of World literature in the 20th Centuery:Volume 4:R to Z Encyclopedia of World Literature：in the 20th Century．4，Supplement and Index Encyclopedia of World Literature