Democratization, patterns and waves
Democratization
Barbara Geddes. 1999. “What Do We Know about Democratization after 20 years? Annual Review of Political Science (ARPS) 2.1: 115-44.
Valerie Bunce. 2000. “Comparative Democratization: Big and Bounded Generalizations,” CPS 33.6-7: 703-734.
Waves of democracy
Samuel P. Huntington.1991. “Democracy’s Third Wave.” JOD 2.2:12-34.
Michael McFaul.2002. “The Fourth Wave of Democracy and Dictatorship.” WP 54.2:212-44.
Competing ideas and debates:
Herbert Kitshelt. 1992. “Political Regime Change: Structure and Process-Driven Explanations?” APSR 86.4: 1028-1034.
G. L. Munck & C. S. Leff. 1997. “Modes of transition and democratization – South America and Eastern Europe in comparative perspective.” CP 29: 343-62.
Daron Acemoglu and James A. Robinson. 2000. “Democratization or repression?” European Economic Review 44.4-6: 683-693.
Authoritarian collapse
Barbara Geddes, Joseph Wright, and Erica Frantz. 2014. “Autocratic breakdown and regime transitions: A new dataset.” Perspectives on Politics 12.2:313-331.