Zheng-tong: Year 7, Month 2, Day 11
22 Mar 1442
The attendant minister Ruan Tian and others who had been sent by Li Lin, the king of the country of Annam, presented a memorial and came to Court to offer tribute of gold and silver utensils and other goods. A banquet as well as variegated silks and other goods, as appropriate, were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 26, page 1788