 In the field of criticism and "fu" authorship, Lu Ji's's "Wen fu" is an important work, which was later rendered into English by Achilles Fang.The "Wen Xuan" anthologized by "Xiao Tong" (501–531) is an important source work for surviving "fu", including "fu" which he attributes to Song Yu.During the Tang dynasty "fu" revival, the "fu" form was used by Li Bai, among others.