《资治通鉴·后汉纪·后汉纪一》
三月，丙戌朔，契丹主身穿赭袍，坐在崇元殿上，文武百官前来行入阁礼。
三月，丙戌朔，契丹主服赭袍，坐崇元殿，百官行入阁礼。
On the first day of the third month, Bingxu, the Khitan Lord wore a red robe and sat in the Chongyuan Hall, with all the civil and military officials coming to perform the cabinet ceremony.