Cao Zijian ji [10 juan] - Ding, Yan 1794-1875; Cao, Zhi 192-232 (Shanghai gu ji chu ban she, 2002)
"Ju Qing Xuantong 3 nian Ding shi qian ke Han Wei Liu chao ming jia ji chu ke ben ying yin". - Each page represents 2 leaves of the original