Zheng-de: Year 3, Month 5, Day 2
31 May 1508
The attendant minister Li Song and others who had been sent by Li Yi, the king of the country of Annam, came to Court and offered tribute of local products. Ten suits of clothing made from variegated silks and four pieces of brocade were conferred upon Yi. A banquet and patterned fine silks interwoven with gold thread and other goods, as appropriate, were conferred upon Song and the others.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 63, page 895