Book reviewed in this article:Progress in the Age of Reason. By R. V. Sampson.The Medical World of the Eighteenth Century. By Lester S. King.The End of North's Minsitry, 1780–1782. By Ian R. Christie.France and the European Alliance, 1816–1821: The Private Correspondence between Metternich and Richelieu. By Guillaume de Bertier de Sauvigny.The Political Uses of History: A Study of Historians in the French Restoration. By Stanley Mellon.Rebith of the Polish Republic: A Study in the Diplomatic History of Europe 1914–1920. By Titus Komarnicki.The South in the Revolution, 1763–1789. By John Richard Alden.The Negro in American Society. By Maurice M. Vance et al.The Philosophy and Policies of Woodrow Wilson. Edited by Earl Latham for the American Political Science Association.Detachment and the Writing of History: Essays and Letters of Carl L. Becker. Edited by Phil L.