Many royal decrees, Han-Nom manuscripts, and cadastral records preserved in Hue have suffered gradual deterioration due to the impacts of time and climatic conditions. Restoration and conservation work has therefore become a means of safeguarding these valuable documents, allowing their historical values to continue to be passed down to future generations.

Hue is a land that bears the imprint of the southward migration and territorial expansion undertaken more than 700 years ago by the people of ancient Thuan Hoa. Very few documents reveal the timing of these migration waves or the organization and formation of Vietnamese villages in the region. Yet during fieldwork, I gained access to several ancient Han-Nom documents recording the migration, land reclamation, and establishment of villages and communes. Most notably is a cadastral record dating to the 9th year of the Dai Hoa reign (1451) under King Le Nhan Tong, compiled exactly 575 years ago.