《宋史·本纪·卷二》
十二月初一，太祖下诏已嫁女子在舅父、姑母去世时穿用粗麻布做成的缉边缝齐的丧服、粗麻布做成的左右和下边不缝的丧服。
十二月丁酉朔，诏妇为舅姑丧者齐、斩。
On the first day of the twelfth month, the founder issued an edict that married women should wear coarse linen mourning clothes with sewn edges when their uncles or aunts died, and coarse linen mourning clothes that were not sewn on the sides or bottom.