Rubuta ci gaba don wannan sakin layi - Lokacin da "Qieyun" ya zama mizanin ƙasa a cikin daular Tang, masu kwafin rubutu da yawa sun tsunduma cikin samar da rubuce-rubuce don biyan babbar buƙata don sake duba aikin. Musamman abin da aka daraja shi ne kwafin littafin Wáng Rénxū, wanda Wú Cǎiluán (), mace ce da aka san ta da rubutu a rubuce, ta yi a farkon ƙarni na 9. Sarkin sarakuna Huizong (1100<unk>1026) wanda shi ma ƙwararren marubuci ne ya sayi ɗaya daga cikin waɗannan littattafan. Ya kasance a cikin laburaren fadar har zuwa 1926, lokacin da wani ɓangare na laburaren ya bi sarki Puyi da aka tsige zuwa Tianjin sannan zuwa Changchun, babban birnin jihar Manchukuo. Bayan Jafananci sun mika wuya a 1945
, ya wuce zuwa dillalin littafi a Changchun, kuma a cikin 1947 malamai biyu sun gano shi a kasuwar littattafai a Liulichang, Beijing. Masana ilimin harsuna na kasar Sin Dong Tonghe (1948 da 1952) da Li Rong (1956) sun wallafa nazarin wannan kwafin kusan cikakke.