The Classified Formula from Treatise on Cold Damage: 傷寒論類方 (Shanghanlun leifang)

The author is Xu Dachun (徐大椿), whose style is Lingtai (靈胎). He lived in the Qing (淸) Dynasty. When studying Shanghanlun, he classified the texts not according to channel, but by formula. (This translation is faithful to the original text)