Émile LEVASSEUR (1828–1911), historian, economist, statistician, and geographer. L.A.S., March 11, 1876, to a lady; 2 pages, in-8. He recommends to Mlle Remier works on Alsace, notably Charles Grad’s study on natural resources published in the Bulletin de la Société de Géographie, as well as books in German, including one by H. Luks.