Jing-tai: Year 2, Month 2, Day 23
25 Mar 1451
...and the envoy Dao Zhao Meng-lu and others of the Ba-bai, Che-li and Laos Pacification Superintendencies in Yun-nan, came to Court and offered tribute of horses and local products. A banquet as well as ramie-silk clothing, biao-li of variegated silk, thin silk and silk gauzes, as appropriate, were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 32, page 4306