Investigation on a court case that merchants sold opium at high sea in the nineteenth year of Jiaqing's reign (1814). The document is based on statements from Chinese merchants. This document, handwritten in Chinese, is on a single sheet of paper which is in a fragile condition.
With the document is a translation into modern Chinese and an English abstract, undertaken in 2018.

There are three Chinese documents concerning trade and interaction with the English. With the documents are English abstracts and modern Chinese translations created in 2018.