Two Autograph Letters Signed, to Sarah Austin and to Alexander Duff Gordon (her son-in-law), about his current plan to travel to Belgium and then London, approving Sarah Austin’s plans for a young Frenchman, the second letter being St. Hilaire’s letter of introduction for Alexander Duff Gordon to Ferdinand De Lesseps, then in England for negotiations about the Suez Canal. In French. 3 pp. 8 x 5 inches, tears at centre fold, minor blemishes. With some old catalogue notes providing the historical background to these letters. Paris & Les Pepinieres de Meaux, 24 April & 13 June 1855. Jules Barthélemy-Saint-Hilaire (1805 – 1895), French philosopher, journalist, statesman. In 1855 he went as member of the international commission to Egypt to report on the possibility of the proposed Suez canal, and by the articles which he wrote he contributed largely to making the project popular in France. On an integral leaf is an Autograph Letter Signed “Mutter” (Sarah Austin) to “Dear Child” about St. Hilaire’s visit to London.