Autograph Letter Signed [to Leone Levi], sending a Danish translation of one of Byron’s verses. 2 pp. 6 x 4 inches, in good condition. From the collection of Leone Levi (1821–1888), jurist, political economist, and statistician, author of the History of British Commerce (1872). London, 19 June 1878. Harald Ludvig Westergaard (1853 – 1936), Danish statistician and economist known for his work in demography and the history of statistics.