《新唐书·本纪·卷二·太宗》
二十一日，太宗在籍田上亲耕行 籍礼 ，以奉祀宗庙、兼力倡农耕之事。二十九日，裴寂被免职。
癸亥，耕藉田。辛未，裴寂罢。
On the 21st, Emperor Taizong personally farmed on the Imperial Plough Field to pay homage to the Imperial Ancestral Temple and to promote farming. Pei Ji was dismissed from his post on the 29th.