Title: Le secret de Talleyrand d'après des témoignages contemporains
Subjects: Vienna, Vienna. Congress, 1814-1815, Congress of Vienna (1814-1815)
People: Charles Maurice de Talleyrand-Périgord prince de Bénévent (1754-1838), Marie Louise Empress, consort of Napoleon I, Emperor of the French (1791-1847), Napoleon I Emperor of the French (1769-1821)