《旧五代史·后周·太祖纪二》
二日，追赠已故夫人杨氏为淑妃，并令有关部门选择日期准备礼仪册封。
辛酉，故夫人杨氏追赠淑妃，仍令所司择日备礼册命。
On the 2nd, the late Lady Yang was posthumously awarded the title of Imperial Consort, and the relevant departments were ordered to select a date and prepare for her formal installment.