The sovereignty of the Vietnamese state over the Paracel Islands through historical scientific publications, navigational guides, travel and exploration in the United Kingdom in the period 1820 – 1840

In addition to official reports, reports, meeting minutes of individuals, agencies, and organizations of a state nature, archives and newspapers in Asia and the East, knowledge reference books, dictionaries, encyclopedias... containing the content of recognizing the Paracels/Hoang Sa archipelago, including the present Truong Sa archipelago, located on the geographical territory of the Cochin China/Dang Trong/unified Vietnam empire. In the United Kingdom, during the period 1820-1840, there were also a rich source of publications addressing the above content in the fields of historical science, maritime geography and land exploration. In this article, we introduce to readers publications showing the recognition of the Paracels/Hoang Sa archipelago, including the Truong Sa archipelago, as belonging to the geographical territory of Cochin China/Dang Trong/Vietnam through the genres of historical science, maritime guides, travel and exploration across continents, published in the United Kingdom during the reign of King Minh Mang in Vietnam.