It was the necessary stage of development history of Chinese ci-poem, which continued the North faction of ci-poem in Jin-Dynasty and obviously showed the style about "QING" and "XIONG", and the tendency of developing toward the poem or the qu-poem.

Correction of the Works Collection of the Seven Scholars from Beizong School in the Early Yuan Dynasty;

Wangyun s concept of ci-poem rooted in Confucian poetics and he, learned from Sushi, Xin Qiji and Yuan Haowen, became an important ci-poet in the continuous prosper stage of the North faction of ci-poem .

Analysis of Fancy of Sect in the Early Parliament of Republic of China;