Leaf 10 of the Bar Amra manuscript (front side), an Ahom-Assamese lexicon from 1795. The manuscript belongs to Sri Junaram Sangbun Phukan. It is written on sasi bark and contains nearly 3,000 entries. It is believed to be oldest extant dictionary of any Tai-Kadai family language.

Image used with permission from Dr. Stephen Morey, Ahom Dictionary Resource Project