Hurt, E. F. / Kelly, Denwood N.: The Danube Steam Navigation Company (1950), 64 pages, hardcover; PLUS: Tabeart, Colin: Admiralty Mediterranean Steam Packets 1830 to 1857 (2002), 278 pages, hardcover; PLUS: Stubens, F. R.: The Mediterranean Mails. A study of the mails from, to, and through the Mediterranean to the end of the nineteenth century (1993), 89 pages, softcover, all in good condition. Estimate: 120 Euro