Po Chu-i as a censor his memorial presented to Emperor Hsien-tsung during the years 808-810 - Pai, Chu-i 772-846.; Feifel, Eugen 1902-. (S-Gravenhage, Mouton [s.n., 1961)
Issued in microfilm form in 1952 as the editor's thesis, Columbia University.
Keywords: China -- History -- T'ang dynasty, 618-907 -- Sources