Yong-le: Year 9, Month 1, Day 11
3 Feb 1411
The persons sent by Dao Xian-dai, the pacification superintendent of Laos, offered tribute of local products. Rewards were conferred upon the envoys. It was also ordered that the Ministry of Rites send the Eunuch Yang Lin to go and confer upon Dao Xian-dai velvet brocades, patterned fine silks interwoven with gold thread and other goods.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 12, page 1431