《晋书·志·第九章》
殷祭那天，征西的神主朝东设置，位于宣皇的上位。
殷祭之日，征西东面，处宣皇之上。
On the day for the Yin offering, the spirit master of the commander-in-chief, the general conquering the West, was placed facing east, above Emperor Xuan.