《明史·志·卷一》
《周礼，保章氏》用星辰所主之土分辨九州岛的土地，所封的地域都有与它相对应的星次，用来观察凶兆和吉兆。
《周礼·保章氏》以星土辨九州之地，所封之域皆有分星，以观妖祥。
In "The Book of Rites, Baoshang Clan", the designated land territories of the nine provinces were distinguished by the stars that dominated them; the sealed territories all had corresponding star classes to observe ominous and auspicious signs.