Memoir on the constitutional rights of the duchies of Schleswig and Holstein presented to Viscount Palmerston by Chevalier Bunsen ... 1848 ... published, with M. de Gruner's essay on the Danish question, and all the official documents
Wenckstern, Otto von ed; Bunsen, Christian Karl Josias, Freiherr von, 1791-1860; Gruner, M. de