Yong-le: Year 21, Month 5, Day 29
6 Jul 1423
The envoy Yi-lao and others who had been sent by Zhan-ba Di-lai, the king of the country of Champa, presented a memorial and offered tribute of local products. Clothing made of silk gauze interwoven with gold thread, as well as paper money and biao-li of silk, as appropriate, were conferred upon the envoys.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 14, page 2382