Yong-le: Year 11, Month 9, Day 6
30 Sep 1413
The envoy Bu-gai Bao-ma-gan-na and others who had been sent by Zhan-ba Di-lai, the king of the country of Champa, presented a memorial and offered tribute of local products. Subsequently, the Ministry of Rites was ordered to despatch the Messenger Nie Jun with Imperial orders and with variegated silks with which to reward the king.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 13, page 1704