Zheng-tong: Year 9, Month 6, Day 26
11 Jul 1444
The persons sent by ....Bu-la-lang Ma-ha Sheng-yi-su-la, the son of the pacification superintendent of the Ava-Burma Pacification Superintendency in Yun-nan, and... offered tribute of horses and local products. Variegated silks and other goods, as appropriate, were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 27, page 2372