釋氏稽古略 3.141

3.141

文宣王　二十七年八月。追諡孔子為文宣王。先是祀先聖先師。周公南向。孔子。東向。制自今孔子南向被王者服。追贈弟子皆為公侯伯（唐書）。

King Wenxuan. In the eighth month of the twenty-seventh year, Confucius was posthumously canonized as King Wenxuan. Prior to this, in the sacrifices to the Former Sage and Former Teacher, the Duke of Zhou faced south and Confucius faced east. An imperial decree ordered that henceforth Confucius face south and wear royal robes, and posthumous titles of duke, marquis, and earl were conferred on his disciples (Tangshu).