Nicolson, Harold George Sir The Congress of Vienna a study in allied unity: 1812-1822 by Harold Nicolson. - New York Harcourt, Brace and company [1946] - 5 p., l., 3-312 p. front., ports. 21 cm. "First American edition." "List of books consulted": p. 297-299. LCCN: 46007614 Subjects--Corporate Names: Vienna. Congress, 1814-1815. Subjects--Geographic Terms: Europe--Politics and government--1789-1815. LC Class. No.: DC249 / .N5 1946a Dewey Class. No.: 940.27