Zheng-tong: Year 5, Month 7, Day 6
3 Aug 1440
...as well as Tao-meng Dao Nai Gong-sao and others who had been sent by Si Ren-fa, the pacification superintendent of Lu-chuan, came to Court and offered tribute of elephants, horses, gold, silver and local products. Variegated silks and other goods, as appropriate, were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 25, page 1335