《宋书·志·卷十六》
所建造墙屋的规范，应该依照太庙的体制，衹建十二间，以对应一周年十二个月的数字。
其墙宇规范，宜拟则太庙，唯十有二间，以应期数。
The specifications of the constructed walls and buildings should follow the structure of the Imperial Ancestral Temple, only building twelve rooms to correspond to the number of twelve months in a year.