Friedrich Xavier, Prince of HOHENZOLLERN-HECHINGEN (1757–1844), Austrian general. Autograph letter, Kraków, June 9, 1807, to Count Bellegarde; 3 pages, in-4; in French. An interesting letter on the diplomatic negotiations on the eve of the Battle of Friedland. The count suspects “that Prussia is negotiating secretly,” but, if this information comes “only from the French side,” it must be treated with skepticism: “According to my information, the King is firmly resolved not to make a separate peace, and at this very moment there are envoys in Vienna sent jointly by the Emperor of Russia and the King. It is in the French interest to sow mistrust in the cabinets to prevent any alliances dangerous to France, and I beg you to consider, my dear Count, that to fuel such doubts would be, without intending to, to serve those who, at heart, remain our enemies. Sooner or later we will have war, and I believe that every day that delays it is a loss for us”…