Cheng-hua: Year 17, Month 7, Day 27
22 Aug 1481
It was ordered that Guang-zhou Prefecture in Guang-dong offer sacrifices in Spring and Autumn every year at the temple of the woman surnamed Lin of the Song dynasty, who had been deified as the Empress of Heaven during the Yuan Dynasty. This was ordered in accordance with a memorial submitted by the Supervising Secretary Feng Yi and others who had been sent as envoys to Champa.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 48, page 3767