is conserved in the archives of the State of Neuchâtel. It contains more than 2'000 items inventoried in 1895–1896 by Albert Dufourcq. The collection contains correspondence sent and received by the prince in connection with the general affairs of the Principality or particular affairs. External links Alex. Berthier, Relation of the Battle of Marengo Spencer Napoleonica Collection at Newberry Library Louis-Alexandre Berthier Collection Handcolored, topographical, manuscript maps (111 of them), created by Louis-Alexandre Berthier 1753 births 1815 deaths 18th-century French politicians 19th-century French sculptors Commanders of the Order of Saint Louis Deaths by defenestration Dukes of the First French Empire French male sculptors French military personnel of the American Revolutionary War French military personnel of the French Revolutionary Wars French Ministers of War Grand Croix of the Légion d'honneur Grand Crosses of the Military Order of Max Joseph Marshals of the First French Empire Members of the Chamber of Peers of the Bourbon Restoration Members of the Sénat conservateur Military leaders of the French Revolutionary Wars Names inscribed under the Arc de Triomphe People from Versailles Princes of Neuchâtel Dukes of Wagram Roman Republic (18th century)