"7"^^ . "La notion de progr\u00E8s aux expositions universelles de 1851 \u00E0 1862" . "11" . "11" . . . . "7-11" . . . "La notion de progr\u00E8s aux expositions universelles de 1851 \u00E0 1862"@fr . . "Second Empire (1851-1870),Histoire int\u00E9rieure,\u00C9tudes g\u00E9n\u00E9rales" . . . "7-11" . . . "/contribution/ext-000045274" . "7"^^ . . . . . . . "La notion de progr\u00E8s aux expositions universelles de 1851 \u00E0 1862" .