Departmental Archives of Haute-Marne (Archives Départementales de Haute-Marne) (France)
The Departmental Archives, a service of the Department of Haute-Marne, have the mission of preserving and communicating to the public all the written heritage of the territory: public archives from its oldest known documents (a charter of Louis the Pious of 814 from of the bishopric of Langres) to the most recent (archives of the Departmental Council, the Prefecture, etc.), including court judgments, notarial minutes, etc. In addition to these documents, there are private archives such as the archives of renowned companies or those coming from famous people and great families such as Du Châtelet, Diderot, the Bouchardons, Louise Michel, etc.