Xin bian Suan xue qi meng [3 juan, zong kuo 1 juan] - Zhu, Shijie 13th cent (Shanghai gu ji chu ban she, 2002)
"Ju Beijing da xue tu shu guan cang Qing Daoguang shi jiu nian ke ben ying yin.". - Each page represents 2 leaves of the original