I: British Parliamentarism versus US Presidentialism; Douglas V. Verney: Parliamentary Government and Presidential Government; Montesquieu: The Spirit of the Laws; James Madison: The Federalist No. 47 and No. 48; Alexander Hamilton: The Federalist No. 70; Robert A. Dahl: At the Convention: The Paucity of Models; Walter Bagehot: The English Constitution: The Cabinet; Woodrow Wilson: Committee or Cabinet Government?; Harold J. Laski: The President and Congress; Committee on the Constitutional System: A Bicentennial Analysis of the American Political Structure; Arthur M. Schlesinger Jr.: Leave the Constitution alone; II: Presidentialism in Latin America: Simon Bolivar: The Angostura Address; Harry Kantor: Efforts made by various Latin American countries to limit the power of the President; Scott Mainwaring: Presidentialism in Latin America; Juan J. Linz: The perils of Presidentialism; Carlos Santiago Nino: Ideas and attempts at reforming the Presidentialist system of government in Latin America; Bolivar Lamounier: Presidentialism and Parliamentarism in Brazil; III: Semi-Presidentialism and Other Intermediate Forms: Charles de Gaulle: The Bayeux Manifesto; Maurice Duverger: A new political system model: Semi-presidential government; Woodrow Wilson: Cabinet government in the United States; A. Jeyaratnam Wilson: The Gaullist system in Asia: The constitution of Sri Lanka; Council for the Consolidation of Democracy: Constitutional reform in Argentina; Jean Blondel: Dual leadership in the contemporary world; Constitutional Reform Committee: Report on the 1848 Draft Constitution of Switzerland; Jose Batlle y Ordonez: A collegial executive for Uruguay; IV: Parliamentarism and Presidentialism in Africa, Asia, and Europe: Constitution Drafting Committee: Report on the Draft Constitution of Nigeria; Vasant Sathe: For a directly elected President of India; J.P.A. Gruijters: The case for a directly elected Prime Minister in the Netherlands; International Forum of the Israel Diaspora Institute: Direct election of the Prime Minister; V: Systematic Evidence: Broadly Comparative and Multivariate Analyses: Donald L. Horowitz: Comparing democratic systems; Seymour Martin Lipset: The centrality of political culture; Juan J. Linz: The virtues of Parliamentarism; Fred W. Riggs: Presidentialism: A problematic regime type; G. Bingham Powell Jr.: Contemporary democracies: Participation, stability, and violence; Thomas A. Baylis: Governing by committee: Collegial leadership in advanced societies.