the Zhengyuan reign period of the Yuan dynasty' (1341), section entitledYanzheng she(Examining the Tongue).This book incorporates the teachings of Ao Jiweng
the Zhengyuan reign period of the Yuan dynasty' (1341), section entitledYanzheng she(Examining the Tongue).This book incorporates the teachings of Ao Jiweng
the Zhengyuan reign period of the Yuan dynasty' (1341), section entitledYanzheng she(Examining the Tongue).This book incorporates the teachings of Ao Jiweng
the Zhengyuan reign period of the Yuan dynasty' (1341), section entitledYanzheng she(Examining the Tongue). All four illustrations appear on the same half-folio