Seal script
Chén Zhāoróng (陳昭容) Research on the Qín (Ch'in) Lineage of Writing: An Examination from the Perspective of the History of Chinese Writing (秦系文字研究﹕从漢字史的角度考察) (2003). Academia Sinica, Institute of History and Philology Monograph (中央研究院歷史語言研究所專刊). . (in Chinese)